1242637350 has 48 divisors (see below), whose sum is σ = 3133995840. Its totient is φ = 325751200.

The previous prime is 1242637309. The next prime is 1242637367. The reversal of 1242637350 is 537362421.

It is a congruent 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, 61356 + ... + 79055.

It is an arithmetic number, because the mean of its divisors is an integer number (65291580).

Almost surely, 2^1242637350 is an apocalyptic number.

1242637350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242637350 is an abundant number, since it is smaller than the sum of its proper divisors (1891358490).

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

1242637350 is a wasteful number, since it uses less digits than its factorization.

1242637350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140485 (or 140480 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 1242637350 is about 35251.0616861393. The cubic root of 1242637350 is about 1075.0981990698.

Adding to 1242637350 its reverse (537362421), we get a palindrome (1779999771).

The spelling of 1242637350 in words is "one billion, two hundred forty-two million, six hundred thirty-seven thousand, three hundred fifty".