1016215201 has 4 divisors (see below), whose sum is σ = 1026081472. Its totient is φ = 1006348932.

The previous prime is 1016215183. The next prime is 1016215229. The reversal of 1016215201 is 1025126101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1025126101 = 26317 ⋅38953.

It is a cyclic number.

It is not a de Polignac number, because 1016215201 - 2¹¹ = 1016213153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016215271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4932981 + ... + 4933186.

It is an arithmetic number, because the mean of its divisors is an integer number (256520368).

Almost surely, 2^1016215201 is an apocalyptic number.

It is an amenable number.

1016215201 is a deficient number, since it is larger than the sum of its proper divisors (9866271).

1016215201 is an equidigital number, since it uses as much as digits as its factorization.

1016215201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9866270.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1016215201 is about 31878.1304502005. The cubic root of 1016215201 is about 1005.3761126186.

The spelling of 1016215201 in words is "one billion, sixteen million, two hundred fifteen thousand, two hundred one".