122649043 has 8 divisors (see below), whose sum is σ = 137415600. Its totient is φ = 108485280.

The previous prime is 122649019. The next prime is 122649053. The reversal of 122649043 is 340946221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122649043 - 2⁵ = 122649011 is a prime.

It is a super-3 number, since 3×122649043³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122648996 and 122649014.

It is not an unprimeable number, because it can be changed into a prime (122649053) 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, 150268 + ... + 151081.

It is an arithmetic number, because the mean of its divisors is an integer number (17176950).

Almost surely, 2^122649043 is an apocalyptic number.

122649043 is a deficient number, since it is larger than the sum of its proper divisors (14766557).

122649043 is a wasteful number, since it uses less digits than its factorization.

122649043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301397.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 122649043 is about 11074.7028402572. The cubic root of 122649043 is about 496.8455311716.

The spelling of 122649043 in words is "one hundred twenty-two million, six hundred forty-nine thousand, forty-three".