122403331 has 4 divisors (see below), whose sum is σ = 122480464. Its totient is φ = 122326200.

The previous prime is 122403317. The next prime is 122403367. The reversal of 122403331 is 133304221.

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

It is a cyclic number.

It is not a de Polignac number, because 122403331 - 2¹³ = 122395139 is a prime.

It is a super-2 number, since 2×122403331² = 29965150879791122, 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 = 122403299 and 122403308.

It is not an unprimeable number, because it can be changed into a prime (122403031) 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, 36135 + ... + 39376.

It is an arithmetic number, because the mean of its divisors is an integer number (30620116).

Almost surely, 2^122403331 is an apocalyptic number.

122403331 is a deficient number, since it is larger than the sum of its proper divisors (77133).

122403331 is an equidigital number, since it uses as much as digits as its factorization.

122403331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77132.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 122403331 is about 11063.6038884262. The cubic root of 122403331 is about 496.5135200891.

Adding to 122403331 its reverse (133304221), we get a palindrome (255707552).

The spelling of 122403331 in words is "one hundred twenty-two million, four hundred three thousand, three hundred thirty-one".