125541273 has 32 divisors (see below), whose sum is σ = 197447040. Its totient is φ = 69949440.

The previous prime is 125541263. The next prime is 125541301. The reversal of 125541273 is 372145521.

It is not a de Polignac number, because 125541273 - 2¹⁸ = 125279129 is a prime.

It is a super-2 number, since 2×125541273² = 31521222452921058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125541273.

It is not an unprimeable number, because it can be changed into a prime (125541253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151023 + ... + 151851.

It is an arithmetic number, because the mean of its divisors is an integer number (6170220).

Almost surely, 2^125541273 is an apocalyptic number.

125541273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125541273 is a deficient number, since it is larger than the sum of its proper divisors (71905767).

125541273 is a wasteful number, since it uses less digits than its factorization.

125541273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209.

The product of its digits is 8400, while the sum is 30.

The square root of 125541273 is about 11204.5202039177. The cubic root of 125541273 is about 500.7206581380.

Adding to 125541273 its reverse (372145521), we get a palindrome (497686794).

The spelling of 125541273 in words is "one hundred twenty-five million, five hundred forty-one thousand, two hundred seventy-three".