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1419121 = 11129011
BaseRepresentation
bin101011010011101110001
32200002200001
411122131301
5330402441
650230001
715030244
oct5323561
92602601
101419121
1188a230
12585301
133a8c22
1428d25b
151d0731
hex15a771

1419121 has 4 divisors (see below), whose sum is σ = 1548144. Its totient is φ = 1290100.

The previous prime is 1419097. The next prime is 1419137. The reversal of 1419121 is 1219141.

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 a de Polignac number, because none of the positive numbers 2k-1419121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1419161) 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, 64495 + ... + 64516.

It is an arithmetic number, because the mean of its divisors is an integer number (387036).

21419121 is an apocalyptic number.

1419121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1419121 is a deficient number, since it is larger than the sum of its proper divisors (129023).

1419121 is a wasteful number, since it uses less digits than its factorization.

1419121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129022.

The product of its digits is 72, while the sum is 19.

The square root of 1419121 is about 1191.2686514804. The cubic root of 1419121 is about 112.3758894685.

It can be divided in two parts, 1419 and 121, that added together give a triangular number (1540 = T55).

The spelling of 1419121 in words is "one million, four hundred nineteen thousand, one hundred twenty-one".

Divisors: 1 11 129011 1419121