1242522234 has 32 divisors (see below), whose sum is σ = 2835791040. Its totient is φ = 402979536.

The previous prime is 1242522187. The next prime is 1242522247. The reversal of 1242522234 is 4322252421.

1242522234 is a `hidden beast` number, since 1 + 2 + 425 + 2 + 2 + 234 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1242522198 and 1242522207.

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, 308944 + ... + 312939.

It is an arithmetic number, because the mean of its divisors is an integer number (88618470).

Almost surely, 2^1242522234 is an apocalyptic number.

1242522234 is an abundant number, since it is smaller than the sum of its proper divisors (1593268806).

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

1242522234 is a wasteful number, since it uses less digits than its factorization.

1242522234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621931 (or 621925 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 1242522234 is about 35249.4288464366. The cubic root of 1242522234 is about 1075.0649995671.

Adding to 1242522234 its reverse (4322252421), we get a palindrome (5564774655).

The spelling of 1242522234 in words is "one billion, two hundred forty-two million, five hundred twenty-two thousand, two hundred thirty-four".