1242134396 has 6 divisors (see below), whose sum is σ = 2173735200. Its totient is φ = 621067196.

The previous prime is 1242134353. The next prime is 1242134419. The reversal of 1242134396 is 6934312421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155266796 + ... + 155266803.

It is an arithmetic number, because the mean of its divisors is an integer number (362289200).

Almost surely, 2^1242134396 is an apocalyptic number.

It is an amenable number.

1242134396 is a deficient number, since it is larger than the sum of its proper divisors (931600804).

1242134396 is a wasteful number, since it uses less digits than its factorization.

1242134396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310533603 (or 310533601 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 1242134396 is about 35243.9270797112. The cubic root of 1242134396 is about 1074.9531318308.

The spelling of 1242134396 in words is "one billion, two hundred forty-two million, one hundred thirty-four thousand, three hundred ninety-six".