122770567540 has 24 divisors (see below), whose sum is σ = 257829029640. Its totient is φ = 49106162688.

The previous prime is 122770567519. The next prime is 122770567583. The reversal of 122770567540 is 45765077221.

It can be written as a sum of positive squares in 4 ways, for example, as 4206041316 + 118564526224 = 64854^2 + 344332^2 .

It is a super-2 number, since 2×122770567540² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414496 + ... + 646024.

It is an arithmetic number, because the mean of its divisors is an integer number (10742876235).

Almost surely, 2^122770567540 is an apocalyptic number.

122770567540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122770567540 is an abundant number, since it is smaller than the sum of its proper divisors (135058462100).

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

122770567540 is a wasteful number, since it uses less digits than its factorization.

122770567540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258051 (or 258049 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 46.

It can be divided in two parts, 1227705 and 67540, that added together give a triangular number (1295245 = T₁₆₀₉).

The spelling of 122770567540 in words is "one hundred twenty-two billion, seven hundred seventy million, five hundred sixty-seven thousand, five hundred forty".