122581249 has 8 divisors (see below), whose sum is σ = 140310720. Its totient is φ = 104906256.

The previous prime is 122581243. The next prime is 122581253. The reversal of 122581249 is 942185221.

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

It is not a de Polignac number, because 122581249 - 2¹³ = 122573057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122581243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8674 + ... + 17899.

It is an arithmetic number, because the mean of its divisors is an integer number (17538840).

Almost surely, 2^122581249 is an apocalyptic number.

It is an amenable number.

122581249 is a deficient number, since it is larger than the sum of its proper divisors (17729471).

122581249 is an equidigital number, since it uses as much as digits as its factorization.

122581249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27239.

The product of its digits is 11520, while the sum is 34.

The square root of 122581249 is about 11071.6416578572. The cubic root of 122581249 is about 496.7539708596.

The spelling of 122581249 in words is "one hundred twenty-two million, five hundred eighty-one thousand, two hundred forty-nine".