1201914217 has 16 divisors (see below), whose sum is σ = 1458725760. Its totient is φ = 967341312.

The previous prime is 1201914211. The next prime is 1201914223. The reversal of 1201914217 is 7124191021.

It is an interprime number because it is at equal distance from previous prime (1201914211) and next prime (1201914223).

It is not a de Polignac number, because 1201914217 - 2⁷ = 1201914089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201914211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24958 + ... + 55015.

It is an arithmetic number, because the mean of its divisors is an integer number (91170360).

Almost surely, 2^1201914217 is an apocalyptic number.

It is an amenable number.

1201914217 is a deficient number, since it is larger than the sum of its proper divisors (256811543).

1201914217 is a wasteful number, since it uses less digits than its factorization.

1201914217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80112.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1201914217 is about 34668.6344842135. The cubic root of 1201914217 is about 1063.2233131933.

The spelling of 1201914217 in words is "one billion, two hundred one million, nine hundred fourteen thousand, two hundred seventeen".