1051120431 has 12 divisors (see below), whose sum is σ = 1520699440. Its totient is φ = 699632640.

The previous prime is 1051120417. The next prime is 1051120439. The reversal of 1051120431 is 1340211501.

It is not a de Polignac number, because 1051120431 - 2⁷ = 1051120303 is a prime.

It is a super-2 number, since 2×1051120431² = 2209708320931251522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051120439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86866 + ... + 98223.

Almost surely, 2^1051120431 is an apocalyptic number.

1051120431 is a deficient number, since it is larger than the sum of its proper divisors (469579009).

1051120431 is a wasteful number, since it uses less digits than its factorization.

1051120431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185726 (or 185723 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1051120431 is about 32420.9875080942. The cubic root of 1051120431 is about 1016.7577527397.

Adding to 1051120431 its reverse (1340211501), we get a palindrome (2391331932).

The spelling of 1051120431 in words is "one billion, fifty-one million, one hundred twenty thousand, four hundred thirty-one".