1242504601 has 12 divisors (see below), whose sum is σ = 1412219172. Its totient is φ = 1086558624.

The previous prime is 1242504589. The next prime is 1242504617. The reversal of 1242504601 is 1064052421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 452838400 + 789666201 = 21280^2 + 28101^2 .

It is not a de Polignac number, because 1242504601 - 2¹⁵ = 1242471833 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242507601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127686 + ... + 137071.

It is an arithmetic number, because the mean of its divisors is an integer number (117684931).

Almost surely, 2^1242504601 is an apocalyptic number.

It is an amenable number.

1242504601 is a deficient number, since it is larger than the sum of its proper divisors (169714571).

1242504601 is a wasteful number, since it uses less digits than its factorization.

1242504601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264808 (or 264789 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1242504601 is about 35249.1787280215. The cubic root of 1242504601 is about 1075.0599140214.

The spelling of 1242504601 in words is "one billion, two hundred forty-two million, five hundred four thousand, six hundred one".