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1027164121 = 26311813307
BaseRepresentation
bin111101001110010…
…100011111011001
32122120210100021121
4331032110133121
54100423222441
6245531405241
734311515404
oct7516243731
92576710247
101027164121
11487897675
12247bb3821
13134a5b429
149a5bcd3b
1560299dd1
hex3d3947d9

1027164121 has 8 divisors (see below), whose sum is σ = 1032254784. Its totient is φ = 1022082960.

The previous prime is 1027164109. The next prime is 1027164133. The reversal of 1027164121 is 1214617201.

It is an interprime number because it is at equal distance from previous prime (1027164109) and next prime (1027164133).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1027164121 - 225 = 993609689 is a prime.

It is a super-2 number, since 2×10271641212 = 2110132262939405282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1027164821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308950 + ... + 312256.

It is an arithmetic number, because the mean of its divisors is an integer number (129031848).

Almost surely, 21027164121 is an apocalyptic number.

It is an amenable number.

1027164121 is a deficient number, since it is larger than the sum of its proper divisors (5090663).

1027164121 is a wasteful number, since it uses less digits than its factorization.

1027164121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1027164121 is about 32049.4012580578. The cubic root of 1027164121 is about 1008.9739346029.

The spelling of 1027164121 in words is "one billion, twenty-seven million, one hundred sixty-four thousand, one hundred twenty-one".

Divisors: 1 263 1181 3307 310603 869741 3905567 1027164121