1051387628 has 12 divisors (see below), whose sum is σ = 1845202800. Its totient is φ = 524186832.

The previous prime is 1051387613. The next prime is 1051387637. The reversal of 1051387628 is 8267831501.

It is a super-2 number, since 2×1051387628² = 2210831888622932768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 375176 + ... + 377967.

It is an arithmetic number, because the mean of its divisors is an integer number (153766900).

Almost surely, 2^1051387628 is an apocalyptic number.

It is an amenable number.

1051387628 is a deficient number, since it is larger than the sum of its proper divisors (793815172).

1051387628 is a wasteful number, since it uses less digits than its factorization.

1051387628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753496 (or 753494 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1051387628 is about 32425.1079874840. The cubic root of 1051387628 is about 1016.8438994191.

The spelling of 1051387628 in words is "one billion, fifty-one million, three hundred eighty-seven thousand, six hundred twenty-eight".