1047080397 has 40 divisors (see below), whose sum is σ = 1587308800. Its totient is φ = 613324800.

The previous prime is 1047080393. The next prime is 1047080399. The reversal of 1047080397 is 7930807401.

It is not a de Polignac number, because 1047080397 - 2² = 1047080393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047080393) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1361229 + ... + 1361997.

It is an arithmetic number, because the mean of its divisors is an integer number (39682720).

Almost surely, 2^1047080397 is an apocalyptic number.

It is an amenable number.

1047080397 is a deficient number, since it is larger than the sum of its proper divisors (540228403).

1047080397 is an frugal number, since it uses more digits than its factorization.

1047080397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 1047080397 is about 32358.6216795462. The cubic root of 1047080397 is about 1015.4534271208.

Adding to 1047080397 its reverse (7930807401), we get a palindrome (8977887798).

The spelling of 1047080397 in words is "one billion, forty-seven million, eighty thousand, three hundred ninety-seven".