122403276 has 18 divisors (see below), whose sum is σ = 309408372. Its totient is φ = 40801080.

The previous prime is 122403257. The next prime is 122403277. The reversal of 122403276 is 672304221.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (122403277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1700010 + ... + 1700081.

It is an arithmetic number, because the mean of its divisors is an integer number (17189354).

Almost surely, 2^122403276 is an apocalyptic number.

It is an amenable number.

122403276 is an abundant number, since it is smaller than the sum of its proper divisors (187005096).

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

122403276 is a wasteful number, since it uses less digits than its factorization.

122403276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400101 (or 3400096 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 122403276 is about 11063.6014027983. The cubic root of 122403276 is about 496.5134457222.

Adding to 122403276 its reverse (672304221), we get a palindrome (794707497).

The spelling of 122403276 in words is "one hundred twenty-two million, four hundred three thousand, two hundred seventy-six".