122391249 has 8 divisors (see below), whose sum is σ = 163241760. Its totient is φ = 81567456.

The previous prime is 122391233. The next prime is 122391253. The reversal of 122391249 is 942193221.

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

It is not a de Polignac number, because 122391249 - 2⁴ = 122391233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122391229) 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, 9874 + ... + 18500.

It is an arithmetic number, because the mean of its divisors is an integer number (20405220).

Almost surely, 2^122391249 is an apocalyptic number.

It is an amenable number.

122391249 is a deficient number, since it is larger than the sum of its proper divisors (40850511).

122391249 is an equidigital number, since it uses as much as digits as its factorization.

122391249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13359.

The product of its digits is 7776, while the sum is 33.

The square root of 122391249 is about 11063.0578503414. The cubic root of 122391249 is about 496.4971831869.

The spelling of 122391249 in words is "one hundred twenty-two million, three hundred ninety-one thousand, two hundred forty-nine".