125701401 has 32 divisors (see below), whose sum is σ = 195729408. Its totient is φ = 70277760.

The previous prime is 125701393. The next prime is 125701409. The reversal of 125701401 is 104107521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125701393) and next prime (125701409).

It is not a de Polignac number, because 125701401 - 2³ = 125701393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (125701409) 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, 255766 + ... + 256256.

It is an arithmetic number, because the mean of its divisors is an integer number (6116544).

Almost surely, 2^125701401 is an apocalyptic number.

It is an amenable number.

125701401 is a deficient number, since it is larger than the sum of its proper divisors (70028007).

125701401 is a wasteful number, since it uses less digits than its factorization.

125701401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 125701401 is about 11211.6636142903. The cubic root of 125701401 is about 500.9334575628.

Adding to 125701401 its reverse (104107521), we get a palindrome (229808922).

The spelling of 125701401 in words is "one hundred twenty-five million, seven hundred one thousand, four hundred one".