122561245 has 16 divisors (see below), whose sum is σ = 157248000. Its totient is φ = 91378944.

The previous prime is 122561209. The next prime is 122561293. The reversal of 122561245 is 542165221.

It is not a de Polignac number, because 122561245 - 2⁹ = 122560733 is a prime.

It is a super-3 number, since 3×122561245³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

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, 1756 + ... + 15754.

It is an arithmetic number, because the mean of its divisors is an integer number (9828000).

Almost surely, 2^122561245 is an apocalyptic number.

It is an amenable number.

122561245 is a deficient number, since it is larger than the sum of its proper divisors (34686755).

122561245 is a wasteful number, since it uses less digits than its factorization.

122561245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14124.

The product of its digits is 4800, while the sum is 28.

The square root of 122561245 is about 11070.7382319338. The cubic root of 122561245 is about 496.7269476753.

It can be divided in two parts, 1225 and 61245, that multiplied together give a triangular number (75025125 = T₁₂₂₄₉).

The spelling of 122561245 in words is "one hundred twenty-two million, five hundred sixty-one thousand, two hundred forty-five".