122342780 has 24 divisors (see below), whose sum is σ = 293623008. Its totient is φ = 41946048.

The previous prime is 122342777. The next prime is 122342789. The reversal of 122342780 is 87243221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122342789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436799 + ... + 437078.

It is an arithmetic number, because the mean of its divisors is an integer number (12234292).

Almost surely, 2^122342780 is an apocalyptic number.

122342780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122342780 is an abundant number, since it is smaller than the sum of its proper divisors (171280228).

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

122342780 is a wasteful number, since it uses less digits than its factorization.

122342780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873893 (or 873891 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 122342780 is about 11060.8670546210. The cubic root of 122342780 is about 496.4316341122.

The spelling of 122342780 in words is "one hundred twenty-two million, three hundred forty-two thousand, seven hundred eighty".