122340554 has 40 divisors (see below), whose sum is σ = 217637700. Its totient is φ = 51565248.

The previous prime is 122340553. The next prime is 122340629. The reversal of 122340554 is 455043221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119399329 + 2941225 = 10927^2 + 1715^2 .

It is a super-2 number, since 2×122340554² = 29934422306053832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122340553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 350372 + ... + 350720.

Almost surely, 2^122340554 is an apocalyptic number.

122340554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

122340554 is a deficient number, since it is larger than the sum of its proper divisors (95297146).

122340554 is an frugal number, since it uses more digits than its factorization.

122340554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 122340554 is about 11060.7664291404. The cubic root of 122340554 is about 496.4286232725.

Adding to 122340554 its reverse (455043221), we get a palindrome (577383775).

The spelling of 122340554 in words is "one hundred twenty-two million, three hundred forty thousand, five hundred fifty-four".