1162456421 has 16 divisors (see below), whose sum is σ = 1337064960. Its totient is φ = 990007920.

The previous prime is 1162456411. The next prime is 1162456433. The reversal of 1162456421 is 1246542611.

It is a cyclic number.

It is not a de Polignac number, because 1162456421 - 2⁶ = 1162456357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162456411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899786 + ... + 901076.

It is an arithmetic number, because the mean of its divisors is an integer number (83566560).

Almost surely, 2^1162456421 is an apocalyptic number.

It is an amenable number.

1162456421 is a deficient number, since it is larger than the sum of its proper divisors (174608539).

1162456421 is a wasteful number, since it uses less digits than its factorization.

1162456421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024.

The product of its digits is 11520, while the sum is 32.

The square root of 1162456421 is about 34094.8151630127. The cubic root of 1162456421 is about 1051.4587196154.

The spelling of 1162456421 in words is "one billion, one hundred sixty-two million, four hundred fifty-six thousand, four hundred twenty-one".