122404641 has 16 divisors (see below), whose sum is σ = 173115648. Its totient is φ = 76665600.

The previous prime is 122404619. The next prime is 122404657. The reversal of 122404641 is 146404221.

It is a happy number.

It is not a de Polignac number, because 122404641 - 2⁶ = 122404577 is a prime.

It is a super-2 number, since 2×122404641² = 29965792276677762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122404661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31896 + ... + 35526.

It is an arithmetic number, because the mean of its divisors is an integer number (10819728).

Almost surely, 2^122404641 is an apocalyptic number.

It is an amenable number.

122404641 is a deficient number, since it is larger than the sum of its proper divisors (50711007).

122404641 is a wasteful number, since it uses less digits than its factorization.

122404641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 122404641 is about 11063.6630913997. The cubic root of 122404641 is about 496.5152913655.

Adding to 122404641 its reverse (146404221), we get a palindrome (268808862).

The spelling of 122404641 in words is "one hundred twenty-two million, four hundred four thousand, six hundred forty-one".