1226942497 has 8 divisors (see below), whose sum is σ = 1347348672. Its totient is φ = 1108014000.

The previous prime is 1226942449. The next prime is 1226942557. The reversal of 1226942497 is 7942496221.

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 1226942497 - 2⁷ = 1226942369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226942407) 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, 367678 + ... + 370999.

It is an arithmetic number, because the mean of its divisors is an integer number (168418584).

Almost surely, 2^1226942497 is an apocalyptic number.

It is an amenable number.

1226942497 is a deficient number, since it is larger than the sum of its proper divisors (120406175).

1226942497 is a wasteful number, since it uses less digits than its factorization.

1226942497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738839.

The product of its digits is 435456, while the sum is 46.

The square root of 1226942497 is about 35027.7389649974. The cubic root of 1226942497 is about 1070.5527458254.

The spelling of 1226942497 in words is "one billion, two hundred twenty-six million, nine hundred forty-two thousand, four hundred ninety-seven".