122402893 has 4 divisors (see below), whose sum is σ = 122789340. Its totient is φ = 122016448.

The previous prime is 122402867. The next prime is 122402927. The reversal of 122402893 is 398204221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32114889 + 90288004 = 5667^2 + 9502^2 .

It is a cyclic number.

It is not a de Polignac number, because 122402893 - 2²¹ = 120305741 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 (122492893) 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, 192748 + ... + 193381.

It is an arithmetic number, because the mean of its divisors is an integer number (30697335).

Almost surely, 2^122402893 is an apocalyptic number.

It is an amenable number.

122402893 is a deficient number, since it is larger than the sum of its proper divisors (386447).

122402893 is an equidigital number, since it uses as much as digits as its factorization.

122402893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386446.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 122402893 is about 11063.5840937736. The cubic root of 122402893 is about 496.5129278580.

It can be divided in two parts, 12240 and 2893, that multiplied together give a triangular number (35410320 = T₈₄₁₅).

The spelling of 122402893 in words is "one hundred twenty-two million, four hundred two thousand, eight hundred ninety-three".