1047538452 has 24 divisors (see below), whose sum is σ = 2445542176. Its totient is φ = 348995808.

The previous prime is 1047538447. The next prime is 1047538463. The reversal of 1047538452 is 2548357401.

It is a self number, because there is not a number n which added to its sum of digits gives 1047538452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1878 + ... + 45810.

Almost surely, 2^1047538452 is an apocalyptic number.

1047538452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1047538452 is an abundant number, since it is smaller than the sum of its proper divisors (1398003724).

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

1047538452 is a wasteful number, since it uses less digits than its factorization.

1047538452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45927 (or 45925 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 1047538452 is about 32365.6986947602. The cubic root of 1047538452 is about 1015.6014786972.

The spelling of 1047538452 in words is "one billion, forty-seven million, five hundred thirty-eight thousand, four hundred fifty-two".