125120455 has 8 divisors (see below), whose sum is σ = 152606304. Its totient is φ = 98455200.

The previous prime is 125120449. The next prime is 125120461. The reversal of 125120455 is 554021521.

It is an interprime number because it is at equal distance from previous prime (125120449) and next prime (125120461).

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

It is not a de Polignac number, because 125120455 - 2¹⁵ = 125087687 is a prime.

It is a Duffinian number.

It is a congruent 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, 204811 + ... + 205420.

It is an arithmetic number, because the mean of its divisors is an integer number (19075788).

Almost surely, 2^125120455 is an apocalyptic number.

125120455 is a deficient number, since it is larger than the sum of its proper divisors (27485849).

125120455 is an equidigital number, since it uses as much as digits as its factorization.

125120455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410297.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 125120455 is about 11185.7255017276. The cubic root of 125120455 is about 500.1605551053.

Adding to 125120455 its reverse (554021521), we get a palindrome (679141976).

The spelling of 125120455 in words is "one hundred twenty-five million, one hundred twenty thousand, four hundred fifty-five".