125343555 has 32 divisors (see below), whose sum is σ = 205298496. Its totient is φ = 65286144.

The previous prime is 125343521. The next prime is 125343557. The reversal of 125343555 is 555343521.

It is a happy number.

It is not a de Polignac number, because 125343555 - 2¹⁴ = 125327171 is a prime.

It is a super-2 number, since 2×125343555² = 31422013560076050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125343557) 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, 123229 + ... + 124241.

It is an arithmetic number, because the mean of its divisors is an integer number (6415578).

Almost surely, 2^125343555 is an apocalyptic number.

125343555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125343555 is a deficient number, since it is larger than the sum of its proper divisors (79954941).

125343555 is a wasteful number, since it uses less digits than its factorization.

125343555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207.

The product of its digits is 45000, while the sum is 33.

The square root of 125343555 is about 11195.6935917343. The cubic root of 125343555 is about 500.4576543106.

The spelling of 125343555 in words is "one hundred twenty-five million, three hundred forty-three thousand, five hundred fifty-five".