1051887265 has 24 divisors (see below), whose sum is σ = 1491101568. Its totient is φ = 706155840.

The previous prime is 1051887241. The next prime is 1051887271. The reversal of 1051887265 is 5627881501.

1051887265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1051887265 - 2²¹ = 1049790113 is a prime.

It is a super-2 number, since 2×1051887265² = 2212933636538360450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47289 + ... + 65878.

It is an arithmetic number, because the mean of its divisors is an integer number (62129232).

Almost surely, 2^1051887265 is an apocalyptic number.

It is an amenable number.

1051887265 is a deficient number, since it is larger than the sum of its proper divisors (439214303).

1051887265 is a wasteful number, since it uses less digits than its factorization.

1051887265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113209 (or 113196 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 43.

The square root of 1051887265 is about 32432.8115494171. The cubic root of 1051887265 is about 1017.0049476582.

The spelling of 1051887265 in words is "one billion, fifty-one million, eight hundred eighty-seven thousand, two hundred sixty-five".