1047901642 has 16 divisors (see below), whose sum is σ = 1699302240. Its totient is φ = 482958288.

The previous prime is 1047901609. The next prime is 1047901651. The reversal of 1047901642 is 2461097401.

It is a junction number, because it is equal to n+sod(n) for n = 1047901598 and 1047901607.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 371248 + ... + 374059.

It is an arithmetic number, because the mean of its divisors is an integer number (106206390).

Almost surely, 2^1047901642 is an apocalyptic number.

1047901642 is a deficient number, since it is larger than the sum of its proper divisors (651400598).

1047901642 is a wasteful number, since it uses less digits than its factorization.

1047901642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745365.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1047901642 is about 32371.3089324482. The cubic root of 1047901642 is about 1015.7188375334.

The spelling of 1047901642 in words is "one billion, forty-seven million, nine hundred one thousand, six hundred forty-two".