122450131 has 4 divisors (see below), whose sum is σ = 125759632. Its totient is φ = 119140632.

The previous prime is 122450129. The next prime is 122450143. The reversal of 122450131 is 131054221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131054221 = 127 ⋅1031923.

It is a cyclic number.

It is not a de Polignac number, because 122450131 - 2¹ = 122450129 is a prime.

It is a super-2 number, since 2×122450131² = 29988069163834322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122450099 and 122450108.

It is not an unprimeable number, because it can be changed into a prime (122450161) 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, 1654695 + ... + 1654768.

It is an arithmetic number, because the mean of its divisors is an integer number (31439908).

Almost surely, 2^122450131 is an apocalyptic number.

122450131 is a deficient number, since it is larger than the sum of its proper divisors (3309501).

122450131 is an equidigital number, since it uses as much as digits as its factorization.

122450131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309500.

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

The square root of 122450131 is about 11065.7187294816. The cubic root of 122450131 is about 496.5767914388.

The spelling of 122450131 in words is "one hundred twenty-two million, four hundred fifty thousand, one hundred thirty-one".