122581045 has 8 divisors (see below), whose sum is σ = 148072320. Its totient is φ = 97414800.

The previous prime is 122581031. The next prime is 122581051. The reversal of 122581045 is 540185221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122581045 - 2⁵ = 122581013 is a prime.

It is a super-2 number, since 2×122581045² = 30052225186584050, which contains 22 as substring.

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, 80425 + ... + 81934.

It is an arithmetic number, because the mean of its divisors is an integer number (18509040).

Almost surely, 2^122581045 is an apocalyptic number.

It is an amenable number.

122581045 is a deficient number, since it is larger than the sum of its proper divisors (25491275).

122581045 is a wasteful number, since it uses less digits than its factorization.

122581045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162515.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 122581045 is about 11071.6324451275. The cubic root of 122581045 is about 496.7536952931.

The spelling of 122581045 in words is "one hundred twenty-two million, five hundred eighty-one thousand, forty-five".