1242223130 has 16 divisors (see below), whose sum is σ = 2288002464. Its totient is φ = 485333520.

The previous prime is 1242223109. The next prime is 1242223183. The reversal of 1242223130 is 313222421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444016 + ... + 1444875.

It is an arithmetic number, because the mean of its divisors is an integer number (143000154).

Almost surely, 2^1242223130 is an apocalyptic number.

1242223130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242223130 is a deficient number, since it is larger than the sum of its proper divisors (1045779334).

1242223130 is a wasteful number, since it uses less digits than its factorization.

1242223130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888941.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1242223130 is about 35245.1859124051. The cubic root of 1242223130 is about 1074.9787282613.

Adding to 1242223130 its reverse (313222421), we get a palindrome (1555445551).

The spelling of 1242223130 in words is "one billion, two hundred forty-two million, two hundred twenty-three thousand, one hundred thirty".