123481842 has 32 divisors (see below), whose sum is σ = 270722304. Its totient is φ = 37237200.

The previous prime is 123481837. The next prime is 123481843. The reversal of 123481842 is 248184321.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (123481843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9493 + ... + 18359.

It is an arithmetic number, because the mean of its divisors is an integer number (8460072).

Almost surely, 2^123481842 is an apocalyptic number.

123481842 is an abundant number, since it is smaller than the sum of its proper divisors (147240462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123481842 is a wasteful number, since it uses less digits than its factorization.

123481842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9094.

The product of its digits is 12288, while the sum is 33.

The square root of 123481842 is about 11112.2383883716. The cubic root of 123481842 is about 497.9675387302.

The spelling of 123481842 in words is "one hundred twenty-three million, four hundred eighty-one thousand, eight hundred forty-two".