1047269475 has 36 divisors (see below), whose sum is σ = 2143747216. Its totient is φ = 478751040.

The previous prime is 1047269471. The next prime is 1047269477. The reversal of 1047269475 is 5749627401.

1047269475 is a `hidden beast` number, since 104 + 72 + 6 + 9 + 475 = 666.

It is not a de Polignac number, because 1047269475 - 2² = 1047269471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1047269475.

It is not an unprimeable number, because it can be changed into a prime (1047269471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 330892 + ... + 334041.

Almost surely, 2^1047269475 is an apocalyptic number.

1047269475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1047269475 is an abundant number, since it is smaller than the sum of its proper divisors (1096477741).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1047269475 is a wasteful number, since it uses less digits than its factorization.

1047269475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664956 (or 664948 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 1047269475 is about 32361.5431492381. The cubic root of 1047269475 is about 1015.5145457474.

The spelling of 1047269475 in words is "one billion, forty-seven million, two hundred sixty-nine thousand, four hundred seventy-five".