122801400 has 96 divisors (see below), whose sum is σ = 423001200. Its totient is φ = 32745600.

The previous prime is 122801383. The next prime is 122801401. The reversal of 122801400 is 4108221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122801401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5971 + ... + 16770.

Almost surely, 2^122801400 is an apocalyptic number.

122801400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122801400 is an abundant number, since it is smaller than the sum of its proper divisors (300199800).

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

122801400 is a wasteful number, since it uses less digits than its factorization.

122801400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22766 (or 22751 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 122801400 is about 11081.5793098276. The cubic root of 122801400 is about 497.0511764010.

Adding to 122801400 its reverse (4108221), we get a palindrome (126909621).

It can be divided in two parts, 122801 and 400, that added together give a square (123201 = 351²).

The spelling of 122801400 in words is "one hundred twenty-two million, eight hundred one thousand, four hundred".