1143401012 has 48 divisors (see below), whose sum is σ = 2212987392. Its totient is φ = 513651840.

The previous prime is 1143400997. The next prime is 1143401027. The reversal of 1143401012 is 2101043411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1143400997) and next prime (1143401027).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359453 + ... + 362619.

It is an arithmetic number, because the mean of its divisors is an integer number (46103904).

Almost surely, 2^1143401012 is an apocalyptic number.

It is an amenable number.

1143401012 is a deficient number, since it is larger than the sum of its proper divisors (1069586380).

1143401012 is a wasteful number, since it uses less digits than its factorization.

1143401012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368 (or 3366 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1143401012 is about 33814.2131654723. The cubic root of 1143401012 is about 1045.6817394697.

Adding to 1143401012 its reverse (2101043411), we get a palindrome (3244444423).

The spelling of 1143401012 in words is "one billion, one hundred forty-three million, four hundred one thousand, twelve".