122487249 has 4 divisors (see below), whose sum is σ = 163316336. Its totient is φ = 81658164.

The previous prime is 122487223. The next prime is 122487289. The reversal of 122487249 is 942784221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122487249 - 2⁸ = 122486993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122487289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20414539 + ... + 20414544.

It is an arithmetic number, because the mean of its divisors is an integer number (40829084).

Almost surely, 2^122487249 is an apocalyptic number.

It is an amenable number.

122487249 is a deficient number, since it is larger than the sum of its proper divisors (40829087).

122487249 is an equidigital number, since it uses as much as digits as its factorization.

122487249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40829086.

The product of its digits is 64512, while the sum is 39.

The square root of 122487249 is about 11067.3957641353. The cubic root of 122487249 is about 496.6269617274.

The spelling of 122487249 in words is "one hundred twenty-two million, four hundred eighty-seven thousand, two hundred forty-nine".