1401402043 has 8 divisors (see below), whose sum is σ = 1433698560. Its totient is φ = 1369390440.

The previous prime is 1401402011. The next prime is 1401402053. The reversal of 1401402043 is 3402041041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1401402043 - 2⁵ = 1401402011 is a prime.

It is a super-2 number, since 2×1401402043² = 3927855372249147698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401402043.

It is not an unprimeable number, because it can be changed into a prime (1401402053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61263 + ... + 80968.

It is an arithmetic number, because the mean of its divisors is an integer number (179212320).

Almost surely, 2^1401402043 is an apocalyptic number.

1401402043 is a deficient number, since it is larger than the sum of its proper divisors (32296517).

1401402043 is a wasteful number, since it uses less digits than its factorization.

1401402043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142457.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1401402043 is about 37435.3047670244. The cubic root of 1401402043 is about 1119.0622579652.

Adding to 1401402043 its reverse (3402041041), we get a palindrome (4803443084).

The spelling of 1401402043 in words is "one billion, four hundred one million, four hundred two thousand, forty-three".