256154124 has 24 divisors (see below), whose sum is σ = 629151040. Its totient is φ = 80890704.

The previous prime is 256154117. The next prime is 256154131. The reversal of 256154124 is 421451652.

It is an interprime number because it is at equal distance from previous prime (256154117) and next prime (256154131).

It is a super-2 number, since 2×256154124² = 131229870484414752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256154091 and 256154100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561514 + ... + 561969.

Almost surely, 2^256154124 is an apocalyptic number.

It is an amenable number.

256154124 is an abundant number, since it is smaller than the sum of its proper divisors (372996916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256154124 is a wasteful number, since it uses less digits than its factorization.

256154124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123509 (or 1123507 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 256154124 is about 16004.8156502973. The cubic root of 256154124 is about 635.0878205362.

The spelling of 256154124 in words is "two hundred fifty-six million, one hundred fifty-four thousand, one hundred twenty-four".