1401204142 has 16 divisors (see below), whose sum is σ = 2306193120. Its totient is φ = 634506912.

The previous prime is 1401204139. The next prime is 1401204169. The reversal of 1401204142 is 2414021041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507042 + ... + 509797.

It is an arithmetic number, because the mean of its divisors is an integer number (144137070).

Almost surely, 2^1401204142 is an apocalyptic number.

1401204142 is a deficient number, since it is larger than the sum of its proper divisors (904988978).

1401204142 is a wasteful number, since it uses less digits than its factorization.

1401204142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016907.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1401204142 is about 37432.6614335663. The cubic root of 1401204142 is about 1119.0095788247.

Adding to 1401204142 its reverse (2414021041), we get a palindrome (3815225183).

The spelling of 1401204142 in words is "one billion, four hundred one million, two hundred four thousand, one hundred forty-two".