1047873542 has 16 divisors (see below), whose sum is σ = 1579467600. Its totient is φ = 521391360.

The previous prime is 1047873539. The next prime is 1047873581. The reversal of 1047873542 is 2453787401.

It is a self number, because there is not a number n which added to its sum of digits gives 1047873542.

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, 400334 + ... + 402942.

It is an arithmetic number, because the mean of its divisors is an integer number (98716725).

Almost surely, 2^1047873542 is an apocalyptic number.

1047873542 is a deficient number, since it is larger than the sum of its proper divisors (531594058).

1047873542 is a wasteful number, since it uses less digits than its factorization.

1047873542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 1047873542 is about 32370.8749032213. The cubic root of 1047873542 is about 1015.7097584515.

The spelling of 1047873542 in words is "one billion, forty-seven million, eight hundred seventy-three thousand, five hundred forty-two".