1245622242 has 32 divisors (see below), whose sum is σ = 2561640192. Its totient is φ = 403501824.

The previous prime is 1245622177. The next prime is 1245622267. The reversal of 1245622242 is 2422265421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214023 + ... + 219765.

It is an arithmetic number, because the mean of its divisors is an integer number (80051256).

Almost surely, 2^1245622242 is an apocalyptic number.

1245622242 is an abundant number, since it is smaller than the sum of its proper divisors (1316017950).

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

1245622242 is a wasteful number, since it uses less digits than its factorization.

1245622242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6762.

The product of its digits is 15360, while the sum is 30.

The square root of 1245622242 is about 35293.3739106932. The cubic root of 1245622242 is about 1075.9583282646.

Adding to 1245622242 its reverse (2422265421), we get a palindrome (3667887663).

The spelling of 1245622242 in words is "one billion, two hundred forty-five million, six hundred twenty-two thousand, two hundred forty-two".