1042216651 has 8 divisors (see below), whose sum is σ = 1211293440. Its totient is φ = 878187048.

The previous prime is 1042216639. The next prime is 1042216673. The reversal of 1042216651 is 1566122401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042216651 - 2⁵ = 1042216619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042256651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261351 + ... + 1262176.

It is an arithmetic number, because the mean of its divisors is an integer number (151411680).

Almost surely, 2^1042216651 is an apocalyptic number.

1042216651 is a deficient number, since it is larger than the sum of its proper divisors (169076789).

1042216651 is an equidigital number, since it uses as much as digits as its factorization.

1042216651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523593.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1042216651 is about 32283.3804146964. The cubic root of 1042216651 is about 1013.8787073827.

The spelling of 1042216651 in words is "one billion, forty-two million, two hundred sixteen thousand, six hundred fifty-one".