1402043111 has 8 divisors (see below), whose sum is σ = 1609333920. Its totient is φ = 1196502048.

The previous prime is 1402043087. The next prime is 1402043143. The reversal of 1402043111 is 1113402041.

It is a happy number.

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

It is not a de Polignac number, because 1402043111 - 2¹⁴ = 1402026727 is a prime.

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 1402043111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402043171) 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, 435716 + ... + 438921.

It is an arithmetic number, because the mean of its divisors is an integer number (201166740).

Almost surely, 2^1402043111 is an apocalyptic number.

1402043111 is a deficient number, since it is larger than the sum of its proper divisors (207290809).

1402043111 is an equidigital number, since it uses as much as digits as its factorization.

1402043111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874873.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1402043111 is about 37443.8661331866. The cubic root of 1402043111 is about 1119.2328694003.

Adding to 1402043111 its reverse (1113402041), we get a palindrome (2515445152).

The spelling of 1402043111 in words is "one billion, four hundred two million, forty-three thousand, one hundred eleven".