122983390 has 32 divisors (see below), whose sum is σ = 235458720. Its totient is φ = 46116864.

The previous prime is 122983387. The next prime is 122983463. The reversal of 122983390 is 93389221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15094 + ... + 21766.

It is an arithmetic number, because the mean of its divisors is an integer number (7358085).

Almost surely, 2^122983390 is an apocalyptic number.

122983390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122983390 is a deficient number, since it is larger than the sum of its proper divisors (112475330).

122983390 is a wasteful number, since it uses less digits than its factorization.

122983390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6796.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 122983390 is about 11089.7876444953. The cubic root of 122983390 is about 497.2965962261.

The spelling of 122983390 in words is "one hundred twenty-two million, nine hundred eighty-three thousand, three hundred ninety".