1047245265 has 48 divisors (see below), whose sum is σ = 1999947456. Its totient is φ = 502704000.

The previous prime is 1047245257. The next prime is 1047245281. The reversal of 1047245265 is 5625427401.

It is a happy number.

1047245265 is a `hidden beast` number, since 104 + 7 + 24 + 526 + 5 = 666.

It is not a de Polignac number, because 1047245265 - 2³ = 1047245257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39522 + ... + 60468.

It is an arithmetic number, because the mean of its divisors is an integer number (41665572).

Almost surely, 2^1047245265 is an apocalyptic number.

1047245265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1047245265 is a deficient number, since it is larger than the sum of its proper divisors (952702191).

1047245265 is a wasteful number, since it uses less digits than its factorization.

1047245265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21070 (or 21067 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 1047245265 is about 32361.1690919843. The cubic root of 1047245265 is about 1015.5067203827.

The spelling of 1047245265 in words is "one billion, forty-seven million, two hundred forty-five thousand, two hundred sixty-five".