1143701172 has 36 divisors (see below), whose sum is σ = 2918051136. Its totient is φ = 377669520.

The previous prime is 1143701161. The next prime is 1143701183. The reversal of 1143701172 is 2711073411.

1143701172 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1143701161) and next prime (1143701183).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144604 + ... + 152307.

It is an arithmetic number, because the mean of its divisors is an integer number (81056976).

Almost surely, 2^1143701172 is an apocalyptic number.

1143701172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143701172 is an abundant number, since it is smaller than the sum of its proper divisors (1774349964).

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

1143701172 is a wasteful number, since it uses less digits than its factorization.

1143701172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297028 (or 297023 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 1143701172 is about 33818.6512445426. The cubic root of 1143701172 is about 1045.7732338700.

Adding to 1143701172 its reverse (2711073411), we get a palindrome (3854774583).

The spelling of 1143701172 in words is "one billion, one hundred forty-three million, seven hundred one thousand, one hundred seventy-two".