125424155 has 8 divisors (see below), whose sum is σ = 150685872. Its totient is φ = 100221408.

The previous prime is 125424137. The next prime is 125424157. The reversal of 125424155 is 551424521.

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 125424155 - 2²² = 121229851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125424157) 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, 9917 + ... + 18686.

It is an arithmetic number, because the mean of its divisors is an integer number (18835734).

Almost surely, 2^125424155 is an apocalyptic number.

125424155 is a deficient number, since it is larger than the sum of its proper divisors (25261717).

125424155 is an equidigital number, since it uses as much as digits as its factorization.

125424155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29485.

The product of its digits is 8000, while the sum is 29.

The square root of 125424155 is about 11199.2926115894. The cubic root of 125424155 is about 500.5649015322.

Adding to 125424155 its reverse (551424521), we get a palindrome (676848676).

The spelling of 125424155 in words is "one hundred twenty-five million, four hundred twenty-four thousand, one hundred fifty-five".