1456156120 has 32 divisors (see below), whose sum is σ = 3389331600. Its totient is φ = 562377088.

The previous prime is 1456156109. The next prime is 1456156129. The reversal of 1456156120 is 216516541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456156129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626494 + ... + 628813.

Almost surely, 2^1456156120 is an apocalyptic number.

1456156120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1456156120 is an abundant number, since it is smaller than the sum of its proper divisors (1933175480).

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

1456156120 is a wasteful number, since it uses less digits than its factorization.

1456156120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255347 (or 1255343 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1456156120 is about 38159.6137297012. The cubic root of 1456156120 is about 1133.4507302457.

The spelling of 1456156120 in words is "one billion, four hundred fifty-six million, one hundred fifty-six thousand, one hundred twenty".