1322975137 has 8 divisors (see below), whose sum is σ = 1466906112. Its totient is φ = 1182987600.

The previous prime is 1322975123. The next prime is 1322975141. The reversal of 1322975137 is 7315792231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1322975137 - 2⁷ = 1322975009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1322975137.

It is not an unprimeable number, because it can be changed into a prime (1322975177) 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, 985153 + ... + 986494.

It is an arithmetic number, because the mean of its divisors is an integer number (183363264).

Almost surely, 2^1322975137 is an apocalyptic number.

It is an amenable number.

1322975137 is a deficient number, since it is larger than the sum of its proper divisors (143930975).

1322975137 is a wasteful number, since it uses less digits than its factorization.

1322975137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971719.

The product of its digits is 79380, while the sum is 40.

The square root of 1322975137 is about 36372.7251797277. The cubic root of 1322975137 is about 1097.7848360690.

The spelling of 1322975137 in words is "one billion, three hundred twenty-two million, nine hundred seventy-five thousand, one hundred thirty-seven".