122062500 has 252 divisors, whose sum is σ = 454994176. Its totient is φ = 27000000.

The previous prime is 122062477. The next prime is 122062529. The reversal of 122062500 is 5260221.

122062500 is a nontrivial binomial coefficient, being equal to C(15625, 2).

It is a tau number, because it is divible by the number of its divisors (252).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 3937485 + ... + 3937515.

Almost surely, 2^122062500 is an apocalyptic number.

122062500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122062500 is the 15624-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122062500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227497088).

122062500 is an abundant number, since it is smaller than the sum of its proper divisors (332931676).

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

122062500 is an equidigital number, since it uses as much as digits as its factorization.

122062500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 122062500 is about 11048.1898969922. The cubic root of 122062500 is about 496.0522458406.

It can be divided in two parts, 12206 and 2500, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 122062500 in words is "one hundred twenty-two million, sixty-two thousand, five hundred".