1047880427 has 12 divisors (see below), whose sum is σ = 1156093848. Its totient is φ = 941846400.

The previous prime is 1047880319. The next prime is 1047880439. The reversal of 1047880427 is 7240887401.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1047880427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047880487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1056902 + ... + 1057892.

It is an arithmetic number, because the mean of its divisors is an integer number (96341154).

Almost surely, 2^1047880427 is an apocalyptic number.

1047880427 is a deficient number, since it is larger than the sum of its proper divisors (108213421).

1047880427 is an frugal number, since it uses more digits than its factorization.

1047880427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 41.

The square root of 1047880427 is about 32370.9812486431. The cubic root of 1047880427 is about 1015.7119830032.

The spelling of 1047880427 in words is "one billion, forty-seven million, eight hundred eighty thousand, four hundred twenty-seven".