1162401231 has 16 divisors (see below), whose sum is σ = 1642395744. Its totient is φ = 728745984.

The previous prime is 1162401221. The next prime is 1162401257. The reversal of 1162401231 is 1321042611.

It is not a de Polignac number, because 1162401231 - 2⁵ = 1162401199 is a prime.

It is a super-2 number, since 2×1162401231² = 2702353243660630722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1162401198 and 1162401207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162401211) 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, 57361 + ... + 74933.

It is an arithmetic number, because the mean of its divisors is an integer number (102649734).

Almost surely, 2^1162401231 is an apocalyptic number.

1162401231 is a deficient number, since it is larger than the sum of its proper divisors (479994513).

1162401231 is a wasteful number, since it uses less digits than its factorization.

1162401231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18890.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1162401231 is about 34094.0057928076. The cubic root of 1162401231 is about 1051.4420792998.

Adding to 1162401231 its reverse (1321042611), we get a palindrome (2483443842).

The spelling of 1162401231 in words is "one billion, one hundred sixty-two million, four hundred one thousand, two hundred thirty-one".