1242650353 has 8 divisors (see below), whose sum is σ = 1437283008. Its totient is φ = 1052295504.

The previous prime is 1242650333. The next prime is 1242650359. The reversal of 1242650353 is 3530562421.

It is a happy number.

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 1242650353 - 2¹⁷ = 1242519281 is a prime.

It is a super-2 number, since 2×1242650353² = 3088359799622049218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242650359) 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, 1068826 + ... + 1069987.

It is an arithmetic number, because the mean of its divisors is an integer number (179660376).

Almost surely, 2^1242650353 is an apocalyptic number.

It is an amenable number.

1242650353 is a deficient number, since it is larger than the sum of its proper divisors (194632655).

1242650353 is an equidigital number, since it uses as much as digits as its factorization.

1242650353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138903.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 1242650353 is about 35251.2461198182. The cubic root of 1242650353 is about 1075.1019490116.

The spelling of 1242650353 in words is "one billion, two hundred forty-two million, six hundred fifty thousand, three hundred fifty-three".