125241851 has 4 divisors (see below), whose sum is σ = 143133552. Its totient is φ = 107350152.

The previous prime is 125241833. The next prime is 125241869. The reversal of 125241851 is 158142521.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (125241833) and next prime (125241869).

It is not a de Polignac number, because 125241851 - 2¹⁰ = 125240827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125241811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8945840 + ... + 8945853.

It is an arithmetic number, because the mean of its divisors is an integer number (35783388).

Almost surely, 2^125241851 is an apocalyptic number.

125241851 is a deficient number, since it is larger than the sum of its proper divisors (17891701).

125241851 is an equidigital number, since it uses as much as digits as its factorization.

125241851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17891700.

The product of its digits is 3200, while the sum is 29.

The square root of 125241851 is about 11191.1505664074. The cubic root of 125241851 is about 500.3222602520.

The spelling of 125241851 in words is "one hundred twenty-five million, two hundred forty-one thousand, eight hundred fifty-one".