122951949040 has 20 divisors (see below), whose sum is σ = 285863281704. Its totient is φ = 49180779584.

The previous prime is 122951949037. The next prime is 122951949077. The reversal of 122951949040 is 40949159221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768449602 + ... + 768449761.

Almost surely, 2^122951949040 is an apocalyptic number.

122951949040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122951949040 is an abundant number, since it is smaller than the sum of its proper divisors (162911332664).

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

122951949040 is a wasteful number, since it uses less digits than its factorization.

122951949040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536899376 (or 1536899370 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 122951949040 in words is "one hundred twenty-two billion, nine hundred fifty-one million, nine hundred forty-nine thousand, forty".