1242292017 has 8 divisors (see below), whose sum is σ = 1753824096. Its totient is φ = 779477312.

The previous prime is 1242292013. The next prime is 1242292033. The reversal of 1242292017 is 7102922421.

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 1242292017 - 2² = 1242292013 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242292013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12179283 + ... + 12179384.

It is an arithmetic number, because the mean of its divisors is an integer number (219228012).

Almost surely, 2^1242292017 is an apocalyptic number.

1242292017 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1242292017 is a deficient number, since it is larger than the sum of its proper divisors (511532079).

1242292017 is a wasteful number, since it uses less digits than its factorization.

1242292017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24358687.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1242292017 is about 35246.1631528880. The cubic root of 1242292017 is about 1074.9985987362.

The spelling of 1242292017 in words is "one billion, two hundred forty-two million, two hundred ninety-two thousand, seventeen".