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122007061 = 1111091551
BaseRepresentation
bin1110100010110…
…10111000010101
322111120121020001
413101122320111
5222213211221
620035011301
73011020501
oct721327025
9274517201
10122007061
1162962790
1234a39b31
131c37a637
14122bd301
15aaa0391
hex745ae15

122007061 has 4 divisors (see below), whose sum is σ = 133098624. Its totient is φ = 110915500.

The previous prime is 122007059. The next prime is 122007077. The reversal of 122007061 is 160700221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122007061 - 21 = 122007059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122007161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5545765 + ... + 5545786.

It is an arithmetic number, because the mean of its divisors is an integer number (33274656).

Almost surely, 2122007061 is an apocalyptic number.

122007061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122007061 is a deficient number, since it is larger than the sum of its proper divisors (11091563).

122007061 is a wasteful number, since it uses less digits than its factorization.

122007061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11091562.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 122007061 is about 11045.6806490139. The cubic root of 122007061 is about 495.9771345794.

Adding to 122007061 its reverse (160700221), we get a palindrome (282707282).

The spelling of 122007061 in words is "one hundred twenty-two million, seven thousand, sixty-one".

Divisors: 1 11 11091551 122007061