1401260361 has 4 divisors (see below), whose sum is σ = 1868347152. Its totient is φ = 934173572.

The previous prime is 1401260359. The next prime is 1401260381. The reversal of 1401260361 is 1630621041.

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 1401260361 - 2¹ = 1401260359 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1401260381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233543391 + ... + 233543396.

It is an arithmetic number, because the mean of its divisors is an integer number (467086788).

Almost surely, 2^1401260361 is an apocalyptic number.

It is an amenable number.

1401260361 is a deficient number, since it is larger than the sum of its proper divisors (467086791).

1401260361 is an equidigital number, since it uses as much as digits as its factorization.

1401260361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467086790.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1401260361 is about 37433.4123611514. The cubic root of 1401260361 is about 1119.0245442286.

The spelling of 1401260361 in words is "one billion, four hundred one million, two hundred sixty thousand, three hundred sixty-one".