1401441077 has 4 divisors (see below), whose sum is σ = 1422358176. Its totient is φ = 1380523980.

The previous prime is 1401441071. The next prime is 1401441113. The reversal of 1401441077 is 7701441041.

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 1401441077 - 2⁴ = 1401441061 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 (1401441071) 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, 10458449 + ... + 10458582.

It is an arithmetic number, because the mean of its divisors is an integer number (355589544).

Almost surely, 2^1401441077 is an apocalyptic number.

It is an amenable number.

1401441077 is a deficient number, since it is larger than the sum of its proper divisors (20917099).

1401441077 is an equidigital number, since it uses as much as digits as its factorization.

1401441077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20917098.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 1401441077 is about 37435.8261161685. The cubic root of 1401441077 is about 1119.0726478151.

The spelling of 1401441077 in words is "one billion, four hundred one million, four hundred forty-one thousand, seventy-seven".