190841247 has 6 divisors (see below), whose sum is σ = 275659592. Its totient is φ = 127227492.

The previous prime is 190841221. The next prime is 190841351. The reversal of 190841247 is 742148091.

It is not a de Polignac number, because 190841247 - 2¹¹ = 190839199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190841207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10602283 + ... + 10602300.

Almost surely, 2^190841247 is an apocalyptic number.

190841247 is a deficient number, since it is larger than the sum of its proper divisors (84818345).

190841247 is a wasteful number, since it uses less digits than its factorization.

190841247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21204589 (or 21204586 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 190841247 is about 13814.5302851744. The cubic root of 190841247 is about 575.7369223247.

The spelling of 190841247 in words is "one hundred ninety million, eight hundred forty-one thousand, two hundred forty-seven".