1047521755 has 24 divisors (see below), whose sum is σ = 1466564400. Its totient is φ = 716184000.

The previous prime is 1047521711. The next prime is 1047521767. The reversal of 1047521755 is 5571257401.

It is not a de Polignac number, because 1047521755 - 2¹⁷ = 1047390683 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79380 + ... + 91630.

It is an arithmetic number, because the mean of its divisors is an integer number (61106850).

Almost surely, 2^1047521755 is an apocalyptic number.

1047521755 is a deficient number, since it is larger than the sum of its proper divisors (419042645).

1047521755 is a wasteful number, since it uses less digits than its factorization.

1047521755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12619 (or 12612 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 37.

The square root of 1047521755 is about 32365.4407508997. The cubic root of 1047521755 is about 1015.5960826859.

The spelling of 1047521755 in words is "one billion, forty-seven million, five hundred twenty-one thousand, seven hundred fifty-five".