122154413 has 8 divisors (see below), whose sum is σ = 123029880. Its totient is φ = 121282560.

The previous prime is 122154407. The next prime is 122154419. The reversal of 122154413 is 314451221.

It is an interprime number because it is at equal distance from previous prime (122154407) and next prime (122154419).

It can be written as a sum of positive squares in 4 ways, for example, as 1747684 + 120406729 = 1322^2 + 10973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122154413 - 2¹⁰ = 122153389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122154419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107633 + ... + 108761.

It is an arithmetic number, because the mean of its divisors is an integer number (15378735).

Almost surely, 2^122154413 is an apocalyptic number.

It is an amenable number.

122154413 is a deficient number, since it is larger than the sum of its proper divisors (875467).

122154413 is a wasteful number, since it uses less digits than its factorization.

122154413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

The product of its digits is 960, while the sum is 23.

The square root of 122154413 is about 11052.3487549027. The cubic root of 122154413 is about 496.1767236310.

The spelling of 122154413 in words is "one hundred twenty-two million, one hundred fifty-four thousand, four hundred thirteen".