122072725 has 12 divisors (see below), whose sum is σ = 151624224. Its totient is φ = 97494320.

The previous prime is 122072689. The next prime is 122072747. The reversal of 122072725 is 527270221.

It is not a de Polignac number, because 122072725 - 2¹³ = 122064533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122072693 and 122072702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12402 + ... + 19948.

It is an arithmetic number, because the mean of its divisors is an integer number (12635352).

Almost surely, 2^122072725 is an apocalyptic number.

It is an amenable number.

122072725 is a deficient number, since it is larger than the sum of its proper divisors (29551499).

122072725 is an equidigital number, since it uses as much as digits as its factorization.

122072725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204 (or 8199 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 122072725 is about 11048.6526327874. The cubic root of 122072725 is about 496.0660966482.

The spelling of 122072725 in words is "one hundred twenty-two million, seventy-two thousand, seven hundred twenty-five".