125003155 has 8 divisors (see below), whose sum is σ = 151489584. Its totient is φ = 99012000.

The previous prime is 125003119. The next prime is 125003161. The reversal of 125003155 is 551300521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125003155 - 2¹⁵ = 124970387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123261 + ... + 124270.

It is an arithmetic number, because the mean of its divisors is an integer number (18936198).

Almost surely, 2^125003155 is an apocalyptic number.

125003155 is a deficient number, since it is larger than the sum of its proper divisors (26486429).

125003155 is a wasteful number, since it uses less digits than its factorization.

125003155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247637.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 125003155 is about 11180.4809824980. The cubic root of 125003155 is about 500.0042066313.

Adding to 125003155 its reverse (551300521), we get a palindrome (676303676).

The spelling of 125003155 in words is "one hundred twenty-five million, three thousand, one hundred fifty-five".