122996970 has 96 divisors (see below), whose sum is σ = 329211792. Its totient is φ = 31850496.

The previous prime is 122996969. The next prime is 122996983. The reversal of 122996970 is 79699221.

It can be written as a sum of positive squares in 8 ways, for example, as 37785609 + 85211361 = 6147^2 + 9231^2 .

It is a super-3 number, since 3×122996970³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 637194 + ... + 637386.

Almost surely, 2^122996970 is an apocalyptic number.

122996970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122996970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164605896).

122996970 is an abundant number, since it is smaller than the sum of its proper divisors (206214822).

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

122996970 is a wasteful number, since it uses less digits than its factorization.

122996970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 122996970 is about 11090.3999026185. The cubic root of 122996970 is about 497.3148996171.

The spelling of 122996970 in words is "one hundred twenty-two million, nine hundred ninety-six thousand, nine hundred seventy".