124155907381 has 8 divisors (see below), whose sum is σ = 136708629984. Its totient is φ = 111814155120.

The previous prime is 124155907357. The next prime is 124155907399. The reversal of 124155907381 is 183709551421.

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 124155907381 - 2⁹ = 124155906869 is a prime.

It is a super-2 number, since 2×124155907381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124155907081) 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, 52741350 + ... + 52743703.

It is an arithmetic number, because the mean of its divisors is an integer number (17088578748).

Almost surely, 2^124155907381 is an apocalyptic number.

124155907381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124155907381 is a deficient number, since it is larger than the sum of its proper divisors (12552722603).

124155907381 is a wasteful number, since it uses less digits than its factorization.

124155907381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105485171.

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 124155907381 in words is "one hundred twenty-four billion, one hundred fifty-five million, nine hundred seven thousand, three hundred eighty-one".