1402171200 has 126 divisors (see below), whose sum is σ = 4983698694. Its totient is φ = 373908480.

The previous prime is 1402171189. The next prime is 1402171223. The reversal of 1402171200 is 21712041.

It can be written as a sum of positive squares in 3 ways, for example, as 2214144 + 1399957056 = 1488^2 + 37416^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34287 + ... + 63086.

Almost surely, 2^1402171200 is an apocalyptic number.

1402171200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402171200 is an abundant number, since it is smaller than the sum of its proper divisors (3581527494).

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

1402171200 is a wasteful number, since it uses less digits than its factorization.

1402171200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97401 (or 97383 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1402171200 is about 37445.5765077799. The cubic root of 1402171200 is about 1119.2669522927.

Adding to 1402171200 its reverse (21712041), we get a palindrome (1423883241).

The spelling of 1402171200 in words is "one billion, four hundred two million, one hundred seventy-one thousand, two hundred".