1242850216 has 32 divisors (see below), whose sum is σ = 2413686600. Its totient is φ = 599253760.

The previous prime is 1242850207. The next prime is 1242850223. The reversal of 1242850216 is 6120582421.

It can be written as a sum of positive squares in 4 ways, for example, as 921365316 + 321484900 = 30354^2 + 17930^2 .

It is a super-2 number, since 2×1242850216² = 3089353318822493312, which contains 22 as substring.

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, 215466 + ... + 221158.

Almost surely, 2^1242850216 is an apocalyptic number.

It is an amenable number.

1242850216 is a deficient number, since it is larger than the sum of its proper divisors (1170836384).

1242850216 is a wasteful number, since it uses less digits than its factorization.

1242850216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6669 (or 6665 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 1242850216 is about 35254.0808417976. The cubic root of 1242850216 is about 1075.1595843128.

The spelling of 1242850216 in words is "one billion, two hundred forty-two million, eight hundred fifty thousand, two hundred sixteen".