1141570072 has 8 divisors (see below), whose sum is σ = 2140443900. Its totient is φ = 570785032.

The previous prime is 1141570049. The next prime is 1141570081. The reversal of 1141570072 is 2700751411.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1141570072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71348122 + ... + 71348137.

Almost surely, 2^1141570072 is an apocalyptic number.

It is an amenable number.

1141570072 is a deficient number, since it is larger than the sum of its proper divisors (998873828).

1141570072 is a wasteful number, since it uses less digits than its factorization.

1141570072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142696265 (or 142696261 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 1141570072 is about 33787.1287918935. The cubic root of 1141570072 is about 1045.1232875763.

The spelling of 1141570072 in words is "one billion, one hundred forty-one million, five hundred seventy thousand, seventy-two".