1071223497 has 12 divisors (see below), whose sum is σ = 1547792064. Its totient is φ = 713932440.

The previous prime is 1071223493. The next prime is 1071223511. The reversal of 1071223497 is 7943221701.

It is not a de Polignac number, because 1071223497 - 2² = 1071223493 is a prime.

It is a super-2 number, since 2×1071223497² = 2295039561049818018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071223493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16828 + ... + 49250.

It is an arithmetic number, because the mean of its divisors is an integer number (128982672).

Almost surely, 2^1071223497 is an apocalyptic number.

It is an amenable number.

1071223497 is a deficient number, since it is larger than the sum of its proper divisors (476568567).

1071223497 is a wasteful number, since it uses less digits than its factorization.

1071223497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36100 (or 36097 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1071223497 is about 32729.5508218491. The cubic root of 1071223497 is about 1023.1988187230.

The spelling of 1071223497 in words is "one billion, seventy-one million, two hundred twenty-three thousand, four hundred ninety-seven".