1043122140 has 36 divisors (see below), whose sum is σ = 3164137704. Its totient is φ = 278165856.

The previous prime is 1043122139. The next prime is 1043122153. The reversal of 1043122140 is 412213401.

1043122140 is a `hidden beast` number, since 10 + 431 + 221 + 4 + 0 = 666.

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

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 11 ways as a sum of consecutive naturals, for example, 2897382 + ... + 2897741.

It is an arithmetic number, because the mean of its divisors is an integer number (87892714).

Almost surely, 2^1043122140 is an apocalyptic number.

1043122140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043122140 is an abundant number, since it is smaller than the sum of its proper divisors (2121015564).

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

1043122140 is a wasteful number, since it uses less digits than its factorization.

1043122140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795138 (or 5795133 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1043122140 is about 32297.4014434598. The cubic root of 1043122140 is about 1014.1722452864.

Adding to 1043122140 its reverse (412213401), we get a palindrome (1455335541).

The spelling of 1043122140 in words is "one billion, forty-three million, one hundred twenty-two thousand, one hundred forty".