1401200252 has 24 divisors (see below), whose sum is σ = 2488364256. Its totient is φ = 690259968.

The previous prime is 1401200233. The next prime is 1401200267. The reversal of 1401200252 is 2520021041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401200252.

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, 353393 + ... + 357335.

It is an arithmetic number, because the mean of its divisors is an integer number (103681844).

Almost surely, 2^1401200252 is an apocalyptic number.

It is an amenable number.

1401200252 is a deficient number, since it is larger than the sum of its proper divisors (1087164004).

1401200252 is a wasteful number, since it uses less digits than its factorization.

1401200252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237 (or 5235 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1401200252 is about 37432.6094735593. The cubic root of 1401200252 is about 1119.0085432983.

Adding to 1401200252 its reverse (2520021041), we get a palindrome (3921221293).

The spelling of 1401200252 in words is "one billion, four hundred one million, two hundred thousand, two hundred fifty-two".