1401401567 has 16 divisors (see below), whose sum is σ = 1442626848. Its totient is φ = 1360819200.

The previous prime is 1401401527. The next prime is 1401401627. The reversal of 1401401567 is 7651041041.

It is a cyclic number.

It is not a de Polignac number, because 1401401567 - 2¹⁰ = 1401400543 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 (1401401527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3494567 + ... + 3494967.

It is an arithmetic number, because the mean of its divisors is an integer number (90164178).

Almost surely, 2^1401401567 is an apocalyptic number.

1401401567 is a deficient number, since it is larger than the sum of its proper divisors (41225281).

1401401567 is a wasteful number, since it uses less digits than its factorization.

1401401567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1401401567 is about 37435.2984093890. The cubic root of 1401401567 is about 1119.0621312650.

The spelling of 1401401567 in words is "one billion, four hundred one million, four hundred one thousand, five hundred sixty-seven".