1401362125 has 8 divisors (see below), whose sum is σ = 1748900088. Its totient is φ = 1121089600.

The previous prime is 1401362111. The next prime is 1401362129. The reversal of 1401362125 is 5212631041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23319241 + 1378042884 = 4829^2 + 37122^2 .

It is not a de Polignac number, because 1401362125 - 2²⁹ = 864491213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401362125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401362129) 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, 5605324 + ... + 5605573.

It is an arithmetic number, because the mean of its divisors is an integer number (218612511).

Almost surely, 2^1401362125 is an apocalyptic number.

It is an amenable number.

1401362125 is a deficient number, since it is larger than the sum of its proper divisors (347537963).

1401362125 is an equidigital number, since it uses as much as digits as its factorization.

1401362125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11210912 (or 11210902 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1401362125 is about 37434.7716034171. The cubic root of 1401362125 is about 1119.0516326176.

Adding to 1401362125 its reverse (5212631041), we get a palindrome (6613993166).

The spelling of 1401362125 in words is "one billion, four hundred one million, three hundred sixty-two thousand, one hundred twenty-five".