125276399 has 8 divisors (see below), whose sum is σ = 127388208. Its totient is φ = 123171840.

The previous prime is 125276387. The next prime is 125276401. The reversal of 125276399 is 993672521.

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 125276399 - 2¹⁶ = 125210863 is a prime.

It is a super-2 number, since 2×125276399² = 31388352292814402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125273399) 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, 41489 + ... + 44405.

It is an arithmetic number, because the mean of its divisors is an integer number (15923526).

Almost surely, 2^125276399 is an apocalyptic number.

125276399 is a deficient number, since it is larger than the sum of its proper divisors (2111809).

125276399 is an equidigital number, since it uses as much as digits as its factorization.

125276399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625.

The product of its digits is 204120, while the sum is 44.

The square root of 125276399 is about 11192.6940009990. The cubic root of 125276399 is about 500.3682607015.

The spelling of 125276399 in words is "one hundred twenty-five million, two hundred seventy-six thousand, three hundred ninety-nine".