1401320707 has 2 divisors, whose sum is σ = 1401320708. Its totient is φ = 1401320706.

The previous prime is 1401320633. The next prime is 1401320717. The reversal of 1401320707 is 7070231041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1401320707 - 2²⁷ = 1267102979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401320717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700660353 + 700660354.

It is an arithmetic number, because the mean of its divisors is an integer number (700660354).

Almost surely, 2^1401320707 is an apocalyptic number.

1401320707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401320707 is an equidigital number, since it uses as much as digits as its factorization.

1401320707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 1401320707 is about 37434.2183970762. The cubic root of 1401320707 is about 1119.0406077877.

Adding to 1401320707 its reverse (7070231041), we get a palindrome (8471551748).

The spelling of 1401320707 in words is "one billion, four hundred one million, three hundred twenty thousand, seven hundred seven".