125153819 has 8 divisors (see below), whose sum is σ = 143486688. Its totient is φ = 106934400.

The previous prime is 125153807. The next prime is 125153827. The reversal of 125153819 is 918351521.

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 125153819 - 2⁴ = 125153803 is a prime.

It is a super-2 number, since 2×125153819² = 31326956820569522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125153839) 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, 25982 + ... + 30419.

It is an arithmetic number, because the mean of its divisors is an integer number (17935836).

Almost surely, 2^125153819 is an apocalyptic number.

125153819 is a deficient number, since it is larger than the sum of its proper divisors (18332869).

125153819 is an equidigital number, since it uses as much as digits as its factorization.

125153819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56725.

The product of its digits is 10800, while the sum is 35.

The square root of 125153819 is about 11187.2167673644. The cubic root of 125153819 is about 500.2050079320.

The spelling of 125153819 in words is "one hundred twenty-five million, one hundred fifty-three thousand, eight hundred nineteen".