1047555465 has 32 divisors (see below), whose sum is σ = 1870995456. Its totient is φ = 496090560.

The previous prime is 1047555463. The next prime is 1047555469. The reversal of 1047555465 is 5645557401.

It is not a de Polignac number, because 1047555465 - 2¹ = 1047555463 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1047555461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66729 + ... + 80918.

It is an arithmetic number, because the mean of its divisors is an integer number (58468608).

Almost surely, 2^1047555465 is an apocalyptic number.

1047555465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1047555465 is a deficient number, since it is larger than the sum of its proper divisors (823439991).

1047555465 is a wasteful number, since it uses less digits than its factorization.

1047555465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147709.

The product of its (nonzero) digits is 420000, while the sum is 42.

The square root of 1047555465 is about 32365.9615182370. The cubic root of 1047555465 is about 1015.6069767721.

The spelling of 1047555465 in words is "one billion, forty-seven million, five hundred fifty-five thousand, four hundred sixty-five".