1402201242 has 48 divisors (see below), whose sum is σ = 3464271720. Its totient is φ = 406066176.

The previous prime is 1402201219. The next prime is 1402201249. The reversal of 1402201242 is 2421022041.

1402201242 is a `hidden beast` number, since 1 + 402 + 20 + 1 + 242 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1380939921 + 21261321 = 37161^2 + 4611^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1402201249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172267 + ... + 180222.

Almost surely, 2^1402201242 is an apocalyptic number.

1402201242 is an abundant number, since it is smaller than the sum of its proper divisors (2062070478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1402201242 is a wasteful number, since it uses less digits than its factorization.

1402201242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352527 (or 352524 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1402201242 is about 37445.9776478062. The cubic root of 1402201242 is about 1119.2749457954.

Adding to 1402201242 its reverse (2421022041), we get a palindrome (3823223283).

The spelling of 1402201242 in words is "one billion, four hundred two million, two hundred one thousand, two hundred forty-two".