1242204662 has 4 divisors (see below), whose sum is σ = 1863306996. Its totient is φ = 621102330.

The previous prime is 1242204659. The next prime is 1242204701. The reversal of 1242204662 is 2664022421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2664022421 = 14669 ⋅181609.

It is a super-3 number, since 3×1242204662³ (a number of 28 digits) contains 333 as substring.

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, 310551164 + ... + 310551167.

It is an arithmetic number, because the mean of its divisors is an integer number (465826749).

Almost surely, 2^1242204662 is an apocalyptic number.

1242204662 is a deficient number, since it is larger than the sum of its proper divisors (621102334).

1242204662 is an equidigital number, since it uses as much as digits as its factorization.

1242204662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621102333.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 1242204662 is about 35244.9239182042. The cubic root of 1242204662 is about 1074.9734010365.

The spelling of 1242204662 in words is "one billion, two hundred forty-two million, two hundred four thousand, six hundred sixty-two".