125355401 has 4 divisors (see below), whose sum is σ = 126011904. Its totient is φ = 124698900.

The previous prime is 125355397. The next prime is 125355437. The reversal of 125355401 is 104553521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125355401 - 2² = 125355397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125355301) 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, 327965 + ... + 328346.

It is an arithmetic number, because the mean of its divisors is an integer number (31502976).

Almost surely, 2^125355401 is an apocalyptic number.

It is an amenable number.

125355401 is a deficient number, since it is larger than the sum of its proper divisors (656503).

125355401 is an equidigital number, since it uses as much as digits as its factorization.

125355401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656502.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 125355401 is about 11196.2226219382. Note that the first 3 decimals coincide. The cubic root of 125355401 is about 500.4734196063.

The spelling of 125355401 in words is "one hundred twenty-five million, three hundred fifty-five thousand, four hundred one".