1401277 has 4 divisors (see below), whose sum is σ = 1404540. Its totient is φ = 1398016.

The previous prime is 1401263. The next prime is 1401287. The reversal of 1401277 is 7721041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7721041 = 1297 ⋅5953.

It can be written as a sum of positive squares in 2 ways, for example, as 1229881 + 171396 = 1109^2 + 414^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401277 - 2¹⁵ = 1368509 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 (1401217) 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, 868 + ... + 1885.

It is an arithmetic number, because the mean of its divisors is an integer number (351135).

2^1401277 is an apocalyptic number.

It is an amenable number.

1401277 is a deficient number, since it is larger than the sum of its proper divisors (3263).

1401277 is an equidigital number, since it uses as much as digits as its factorization.

1401277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 1401277 is about 1183.7554646125. The cubic root of 1401277 is about 111.9028973426.

The spelling of 1401277 in words is "one million, four hundred one thousand, two hundred seventy-seven".