1011252242 has 128 divisors (see below), whose sum is σ = 2209794048. Its totient is φ = 333849600.

The previous prime is 1011252233. The next prime is 1011252311. The reversal of 1011252242 is 2422521101.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1463117 + ... + 1463807.

It is an arithmetic number, because the mean of its divisors is an integer number (17264016).

Almost surely, 2^1011252242 is an apocalyptic number.

1011252242 is an abundant number, since it is smaller than the sum of its proper divisors (1198541806).

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

1011252242 is a wasteful number, since it uses less digits than its factorization.

1011252242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1011252242 is about 31800.1924836942. The cubic root of 1011252242 is about 1003.7367665166.

Adding to 1011252242 its reverse (2422521101), we get a palindrome (3433773343).

The spelling of 1011252242 in words is "one billion, eleven million, two hundred fifty-two thousand, two hundred forty-two".