1401242312 has 8 divisors (see below), whose sum is σ = 2627329350. Its totient is φ = 700621152.

The previous prime is 1401242303. The next prime is 1401242327. The reversal of 1401242312 is 2132421041.

It can be written as a sum of positive squares in only one way, i.e., 1399208836 + 2033476 = 37406^2 + 1426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87577637 + ... + 87577652.

Almost surely, 2^1401242312 is an apocalyptic number.

It is an amenable number.

1401242312 is a deficient number, since it is larger than the sum of its proper divisors (1226087038).

1401242312 is a wasteful number, since it uses less digits than its factorization.

1401242312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175155295 (or 175155291 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1401242312 is about 37433.1712789606. The cubic root of 1401242312 is about 1119.0197396586.

Adding to 1401242312 its reverse (2132421041), we get a palindrome (3533663353).

The spelling of 1401242312 in words is "one billion, four hundred one million, two hundred forty-two thousand, three hundred twelve".