113421562 has 4 divisors (see below), whose sum is σ = 170132346. Its totient is φ = 56710780.

The previous prime is 113421521. The next prime is 113421563. The reversal of 113421562 is 265124311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 265124311 = 127 ⋅2087593.

It can be written as a sum of positive squares in only one way, i.e., 89889361 + 23532201 = 9481^2 + 4851^2 .

It is not an unprimeable number, because it can be changed into a prime (113421563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28355389 + ... + 28355392.

Almost surely, 2^113421562 is an apocalyptic number.

113421562 is a deficient number, since it is larger than the sum of its proper divisors (56710784).

113421562 is an equidigital number, since it uses as much as digits as its factorization.

113421562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56710783.

The product of its digits is 1440, while the sum is 25.

The square root of 113421562 is about 10649.9559623503. The cubic root of 113421562 is about 484.0592697719.

Adding to 113421562 its reverse (265124311), we get a palindrome (378545873).

The spelling of 113421562 in words is "one hundred thirteen million, four hundred twenty-one thousand, five hundred sixty-two".