790032121 has 4 divisors (see below), whose sum is σ = 795334500. Its totient is φ = 784729744.

The previous prime is 790032079. The next prime is 790032127. The reversal of 790032121 is 121230097.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 512343225 + 277688896 = 22635^2 + 16664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-790032121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (790032127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2650966 + ... + 2651263.

It is an arithmetic number, because the mean of its divisors is an integer number (198833625).

Almost surely, 2^790032121 is an apocalyptic number.

It is an amenable number.

790032121 is a deficient number, since it is larger than the sum of its proper divisors (5302379).

790032121 is a wasteful number, since it uses less digits than its factorization.

790032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302378.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 790032121 is about 28107.5100462492. The cubic root of 790032121 is about 924.4460753678.

The spelling of 790032121 in words is "seven hundred ninety million, thirty-two thousand, one hundred twenty-one".