122437980 has 288 divisors, whose sum is σ = 454970880. Its totient is φ = 27060480.

The previous prime is 122437967. The next prime is 122437981. The reversal of 122437980 is 89734221.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122437981) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2007150 + ... + 2007210.

It is an arithmetic number, because the mean of its divisors is an integer number (1579760).

Almost surely, 2^122437980 is an apocalyptic number.

122437980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122437980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227485440).

122437980 is an abundant number, since it is smaller than the sum of its proper divisors (332532900).

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

122437980 is a wasteful number, since it uses less digits than its factorization.

122437980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 122437980 is about 11065.1696778676. The cubic root of 122437980 is about 496.5603654207.

It can be divided in two parts, 1224 and 37980, that added together give a square (39204 = 198²).

The spelling of 122437980 in words is "one hundred twenty-two million, four hundred thirty-seven thousand, nine hundred eighty".