1120400431 has 2 divisors, whose sum is σ = 1120400432. Its totient is φ = 1120400430.

The previous prime is 1120400401. The next prime is 1120400507. The reversal of 1120400431 is 1340040211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1120400431 - 2¹⁹ = 1119876143 is a prime.

It is a super-2 number, since 2×1120400431² = 2510594251569971522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120400401) 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 as a sum of consecutive naturals, namely, 560200215 + 560200216.

It is an arithmetic number, because the mean of its divisors is an integer number (560200216).

Almost surely, 2^1120400431 is an apocalyptic number.

1120400431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120400431 is an equidigital number, since it uses as much as digits as its factorization.

1120400431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1120400431 is about 33472.3831090647. The cubic root of 1120400431 is about 1038.6225696476.

Adding to 1120400431 its reverse (1340040211), we get a palindrome (2460440642).

The spelling of 1120400431 in words is "one billion, one hundred twenty million, four hundred thousand, four hundred thirty-one".