1292272417 has 8 divisors (see below), whose sum is σ = 1336204800. Its totient is φ = 1248480480.

The previous prime is 1292272351. The next prime is 1292272427. The reversal of 1292272417 is 7142722921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1292272417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1292272427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16228 + ... + 53365.

It is an arithmetic number, because the mean of its divisors is an integer number (167025600).

Almost surely, 2^1292272417 is an apocalyptic number.

It is an amenable number.

1292272417 is a deficient number, since it is larger than the sum of its proper divisors (43932383).

1292272417 is an equidigital number, since it uses as much as digits as its factorization.

1292272417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70223.

The product of its digits is 28224, while the sum is 37.

The square root of 1292272417 is about 35948.1907333318. The cubic root of 1292272417 is about 1089.2260636892.

The spelling of 1292272417 in words is "one billion, two hundred ninety-two million, two hundred seventy-two thousand, four hundred seventeen".