1071399692 has 24 divisors (see below), whose sum is σ = 2047058832. Its totient is φ = 486604800.

The previous prime is 1071399691. The next prime is 1071399701. The reversal of 1071399692 is 2969931701.

It is a super-2 number, since 2×1071399692² = 2295794600035389728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071399691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48908 + ... + 67340.

It is an arithmetic number, because the mean of its divisors is an integer number (85294118).

Almost surely, 2^1071399692 is an apocalyptic number.

It is an amenable number.

1071399692 is a deficient number, since it is larger than the sum of its proper divisors (975659140).

1071399692 is a wasteful number, since it uses less digits than its factorization.

1071399692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19769 (or 19767 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 1071399692 is about 32732.2423918680. The cubic root of 1071399692 is about 1023.2549142788.

The spelling of 1071399692 in words is "one billion, seventy-one million, three hundred ninety-nine thousand, six hundred ninety-two".