1402001242 has 8 divisors (see below), whose sum is σ = 2105249076. Its totient is φ = 700251552.

The previous prime is 1402001233. The next prime is 1402001261. The reversal of 1402001242 is 2421002041.

It can be written as a sum of positive squares in 2 ways, for example, as 1398685201 + 3316041 = 37399^2 + 1821^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372193 + ... + 375940.

Almost surely, 2^1402001242 is an apocalyptic number.

1402001242 is a deficient number, since it is larger than the sum of its proper divisors (703247834).

1402001242 is an equidigital number, since it uses as much as digits as its factorization.

1402001242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749072.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1402001242 is about 37443.3070387753. The cubic root of 1402001242 is about 1119.2217281291.

Adding to 1402001242 its reverse (2421002041), we get a palindrome (3823003283).

The spelling of 1402001242 in words is "one billion, four hundred two million, one thousand, two hundred forty-two".