122141390 has 16 divisors (see below), whose sum is σ = 251262432. Its totient is φ = 41877024.

The previous prime is 122141377. The next prime is 122141407. The reversal of 122141390 is 93141221.

It is a super-2 number, since 2×122141390² = 29837038302264200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872369 + ... + 872508.

It is an arithmetic number, because the mean of its divisors is an integer number (15703902).

Almost surely, 2^122141390 is an apocalyptic number.

122141390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122141390 is an abundant number, since it is smaller than the sum of its proper divisors (129121042).

122141390 is a wasteful number, since it uses less digits than its factorization.

122141390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744891.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 122141390 is about 11051.7595884094. The cubic root of 122141390 is about 496.1590903777.

The spelling of 122141390 in words is "one hundred twenty-two million, one hundred forty-one thousand, three hundred ninety".