122154130 has 32 divisors (see below), whose sum is σ = 253528704. Its totient is φ = 41508096.

The previous prime is 122154107. The next prime is 122154133. The reversal of 122154130 is 31451221.

It is a junction number, because it is equal to n+sod(n) for n = 122154098 and 122154107.

It is not an unprimeable number, because it can be changed into a prime (122154133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189 + ... + 15631.

It is an arithmetic number, because the mean of its divisors is an integer number (7922772).

Almost surely, 2^122154130 is an apocalyptic number.

122154130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122154130 is an abundant number, since it is smaller than the sum of its proper divisors (131374574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122154130 is a wasteful number, since it uses less digits than its factorization.

122154130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15570.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 122154130 is about 11052.3359521868. The cubic root of 122154130 is about 496.1763404599.

The spelling of 122154130 in words is "one hundred twenty-two million, one hundred fifty-four thousand, one hundred thirty".