1540961012 has 12 divisors (see below), whose sum is σ = 2724483300. Its totient is φ = 762537216.

The previous prime is 1540960987. The next prime is 1540961033. The reversal of 1540961012 is 2101690451.

It can be written as a sum of positive squares in 2 ways, for example, as 1222481296 + 318479716 = 34964^2 + 17846^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1985387 + ... + 1986162.

It is an arithmetic number, because the mean of its divisors is an integer number (227040275).

Almost surely, 2^1540961012 is an apocalyptic number.

It is an amenable number.

1540961012 is a deficient number, since it is larger than the sum of its proper divisors (1183522288).

1540961012 is a wasteful number, since it uses less digits than its factorization.

1540961012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971650 (or 3971648 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1540961012 is about 39255.0762577275. The cubic root of 1540961012 is about 1155.0405118128.

The spelling of 1540961012 in words is "one billion, five hundred forty million, nine hundred sixty-one thousand, twelve".