1292155 has 8 divisors (see below), whose sum is σ = 1564992. Its totient is φ = 1024128.

The previous prime is 1292149. The next prime is 1292167. The reversal of 1292155 is 5512921.

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

It is a cyclic number.

It is not a de Polignac number, because 1292155 - 2¹⁹ = 767867 is a prime.

It is a Duffinian number.

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, 579 + ... + 1708.

It is an arithmetic number, because the mean of its divisors is an integer number (195624).

2^1292155 is an apocalyptic number.

1292155 is a deficient number, since it is larger than the sum of its proper divisors (272837).

1292155 is a wasteful number, since it uses less digits than its factorization.

1292155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405.

The product of its digits is 900, while the sum is 25.

The square root of 1292155 is about 1136.7299591372. The cubic root of 1292155 is about 108.9193073346.

The spelling of 1292155 in words is "one million, two hundred ninety-two thousand, one hundred fifty-five".