122667502505 has 16 divisors (see below), whose sum is σ = 152485578000. Its totient is φ = 94664739840.

The previous prime is 122667502483. The next prime is 122667502537. The reversal of 122667502505 is 505205766221.

It can be written as a sum of positive squares in 8 ways, for example, as 26973792169 + 95693710336 = 164237^2 + 309344^2 .

It is not a de Polignac number, because 122667502505 - 2¹² = 122667498409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3343430 + ... + 3379919.

It is an arithmetic number, because the mean of its divisors is an integer number (9530348625).

Almost surely, 2^122667502505 is an apocalyptic number.

It is an amenable number.

122667502505 is a deficient number, since it is larger than the sum of its proper divisors (29818075495).

122667502505 is an equidigital number, since it uses as much as digits as its factorization.

122667502505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723484.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 122667502505 in words is "one hundred twenty-two billion, six hundred sixty-seven million, five hundred two thousand, five hundred five".