402102043 has 8 divisors (see below), whose sum is σ = 468216288. Its totient is φ = 338155584.

The previous prime is 402101989. The next prime is 402102053. The reversal of 402102043 is 340201204.

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 402102043 - 2¹⁷ = 401970971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402102053) 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, 541546 + ... + 542287.

It is an arithmetic number, because the mean of its divisors is an integer number (58527036).

Almost surely, 2^402102043 is an apocalyptic number.

402102043 is a deficient number, since it is larger than the sum of its proper divisors (66114245).

402102043 is a wasteful number, since it uses less digits than its factorization.

402102043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083893.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 402102043 is about 20052.4822154266. The cubic root of 402102043 is about 738.0947108810.

Adding to 402102043 its reverse (340201204), we get a palindrome (742303247).

The spelling of 402102043 in words is "four hundred two million, one hundred two thousand, forty-three".