1242954306 has 48 divisors (see below), whose sum is σ = 2949186240. Its totient is φ = 375204960.

The previous prime is 1242954289. The next prime is 1242954313. The reversal of 1242954306 is 6034592421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40140 + ... + 64008.

It is an arithmetic number, because the mean of its divisors is an integer number (61441380).

Almost surely, 2^1242954306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242954306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474593120).

1242954306 is an abundant number, since it is smaller than the sum of its proper divisors (1706231934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242954306 is a wasteful number, since it uses less digits than its factorization.

1242954306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24151 (or 24148 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1242954306 is about 35255.5570938824. The cubic root of 1242954306 is about 1075.1895987199.

The spelling of 1242954306 in words is "one billion, two hundred forty-two million, nine hundred fifty-four thousand, three hundred six".