1051264623 has 8 divisors (see below), whose sum is σ = 1475459200. Its totient is φ = 663956568.

The previous prime is 1051264619. The next prime is 1051264633. The reversal of 1051264623 is 3264621501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1051264623 - 2² = 1051264619 is a prime.

It is a super-2 number, since 2×1051264623² = 2210314615142664258, 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 (1051264633) 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 in 7 ways as a sum of consecutive naturals, for example, 9221563 + ... + 9221676.

It is an arithmetic number, because the mean of its divisors is an integer number (184432400).

Almost surely, 2^1051264623 is an apocalyptic number.

1051264623 is a deficient number, since it is larger than the sum of its proper divisors (424194577).

1051264623 is a wasteful number, since it uses less digits than its factorization.

1051264623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18443261.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1051264623 is about 32423.2111765630. The cubic root of 1051264623 is about 1016.8042433308.

The spelling of 1051264623 in words is "one billion, fifty-one million, two hundred sixty-four thousand, six hundred twenty-three".