1242862364 has 6 divisors (see below), whose sum is σ = 2175009144. Its totient is φ = 621431180.

The previous prime is 1242862351. The next prime is 1242862381. The reversal of 1242862364 is 4632682421.

It is a happy number.

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, 155357792 + ... + 155357799.

It is an arithmetic number, because the mean of its divisors is an integer number (362501524).

Almost surely, 2^1242862364 is an apocalyptic number.

It is an amenable number.

1242862364 is a deficient number, since it is larger than the sum of its proper divisors (932146780).

1242862364 is a wasteful number, since it uses less digits than its factorization.

1242862364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310715595 (or 310715593 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 1242862364 is about 35254.2531334873. The cubic root of 1242862364 is about 1075.1630872814.

The spelling of 1242862364 in words is "one billion, two hundred forty-two million, eight hundred sixty-two thousand, three hundred sixty-four".