1047146427 has 16 divisors (see below), whose sum is σ = 1601372160. Its totient is φ = 675577800.

The previous prime is 1047146423. The next prime is 1047146459. The reversal of 1047146427 is 7246417401.

It is a happy number.

1047146427 is a `hidden beast` number, since 1 + 0 + 4 + 7 + 1 + 4 + 642 + 7 = 666.

It is not a de Polignac number, because 1047146427 - 2² = 1047146423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1047146391 and 1047146400.

It is not an unprimeable number, because it can be changed into a prime (1047146423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624699 + ... + 626372.

It is an arithmetic number, because the mean of its divisors is an integer number (100085760).

Almost surely, 2^1047146427 is an apocalyptic number.

1047146427 is a deficient number, since it is larger than the sum of its proper divisors (554225733).

1047146427 is a wasteful number, since it uses less digits than its factorization.

1047146427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251111 (or 1251105 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 1047146427 is about 32359.6419479573. The cubic root of 1047146427 is about 1015.4747718620.

The spelling of 1047146427 in words is "one billion, forty-seven million, one hundred forty-six thousand, four hundred twenty-seven".