1292442545 has 8 divisors (see below), whose sum is σ = 1600961280. Its totient is φ = 1000600560.

The previous prime is 1292442499. The next prime is 1292442553. The reversal of 1292442545 is 5452442921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1292442545 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1292442499 and 1292442508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4169015 + ... + 4169324.

It is an arithmetic number, because the mean of its divisors is an integer number (200120160).

Almost surely, 2^1292442545 is an apocalyptic number.

It is an amenable number.

1292442545 is a deficient number, since it is larger than the sum of its proper divisors (308518735).

1292442545 is an equidigital number, since it uses as much as digits as its factorization.

1292442545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8338375.

The product of its digits is 115200, while the sum is 38.

The square root of 1292442545 is about 35950.5569497887. The cubic root of 1292442545 is about 1089.2738605567.

The spelling of 1292442545 in words is "one billion, two hundred ninety-two million, four hundred forty-two thousand, five hundred forty-five".