122689048 has 8 divisors (see below), whose sum is σ = 230041980. Its totient is φ = 61344520.

The previous prime is 122689037. The next prime is 122689069. The reversal of 122689048 is 840986221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 122689048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7668058 + ... + 7668073.

Almost surely, 2^122689048 is an apocalyptic number.

It is an amenable number.

122689048 is a deficient number, since it is larger than the sum of its proper divisors (107352932).

122689048 is a wasteful number, since it uses less digits than its factorization.

122689048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15336137 (or 15336133 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 122689048 is about 11076.5088362715. The cubic root of 122689048 is about 496.8995447601.

It can be divided in two parts, 12268 and 9048, that added together give a square (21316 = 146²).

The spelling of 122689048 in words is "one hundred twenty-two million, six hundred eighty-nine thousand, forty-eight".