745412122 has 16 divisors (see below), whose sum is σ = 1376145792. Its totient is φ = 294888240.

The previous prime is 745412099. The next prime is 745412137. The reversal of 745412122 is 221214547.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2047654 + ... + 2048017.

It is an arithmetic number, because the mean of its divisors is an integer number (86009112).

Almost surely, 2^745412122 is an apocalyptic number.

745412122 is a deficient number, since it is larger than the sum of its proper divisors (630733670).

745412122 is a wasteful number, since it uses less digits than its factorization.

745412122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095693.

The product of its digits is 4480, while the sum is 28.

The square root of 745412122 is about 27302.2365750500. The cubic root of 745412122 is about 906.7038998250.

Adding to 745412122 its reverse (221214547), we get a palindrome (966626669).

The spelling of 745412122 in words is "seven hundred forty-five million, four hundred twelve thousand, one hundred twenty-two".