1401265927 has 4 divisors (see below), whose sum is σ = 1401345216. Its totient is φ = 1401186640.

The previous prime is 1401265909. The next prime is 1401265949. The reversal of 1401265927 is 7295621041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7295621041 = 2003 ⋅3642347.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401265927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401265127) 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, 243 + ... + 52939.

It is an arithmetic number, because the mean of its divisors is an integer number (350336304).

Almost surely, 2^1401265927 is an apocalyptic number.

1401265927 is a deficient number, since it is larger than the sum of its proper divisors (79289).

1401265927 is an equidigital number, since it uses as much as digits as its factorization.

1401265927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79288.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1401265927 is about 37433.4867064237. The cubic root of 1401265927 is about 1119.0260258668.

Adding to 1401265927 its reverse (7295621041), we get a palindrome (8696886968).

The spelling of 1401265927 in words is "one billion, four hundred one million, two hundred sixty-five thousand, nine hundred twenty-seven".