1401654043 has 4 divisors (see below), whose sum is σ = 1405081480. Its totient is φ = 1398226608.

The previous prime is 1401654031. The next prime is 1401654047. The reversal of 1401654043 is 3404561041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1401654043 - 2⁵ = 1401654011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401654047) 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, 1713105 + ... + 1713922.

It is an arithmetic number, because the mean of its divisors is an integer number (351270370).

Almost surely, 2^1401654043 is an apocalyptic number.

1401654043 is a deficient number, since it is larger than the sum of its proper divisors (3427437).

1401654043 is an equidigital number, since it uses as much as digits as its factorization.

1401654043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427436.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1401654043 is about 37438.6704224389. The cubic root of 1401654043 is about 1119.1293305061.

The spelling of 1401654043 in words is "one billion, four hundred one million, six hundred fifty-four thousand, forty-three".