123621496 has 8 divisors (see below), whose sum is σ = 231790320. Its totient is φ = 61810744.

The previous prime is 123621479. The next prime is 123621497. The reversal of 123621496 is 694126321.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123621497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7726336 + ... + 7726351.

It is an arithmetic number, because the mean of its divisors is an integer number (28973790).

Almost surely, 2^123621496 is an apocalyptic number.

It is an amenable number.

123621496 is a deficient number, since it is larger than the sum of its proper divisors (108168824).

123621496 is a wasteful number, since it uses less digits than its factorization.

123621496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15452693 (or 15452689 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 123621496 is about 11118.5204051618. The cubic root of 123621496 is about 498.1551964375.

The spelling of 123621496 in words is "one hundred twenty-three million, six hundred twenty-one thousand, four hundred ninety-six".