190106247 has 8 divisors (see below), whose sum is σ = 264495744. Its totient is φ = 121227128.

The previous prime is 190106243. The next prime is 190106251. The reversal of 190106247 is 742601091.

It is a happy number.

190106247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (190106243) and next prime (190106251).

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 190106247 - 2² = 190106243 is a prime.

It is a super-2 number, since 2×190106247² = 72280770296850018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190106243) 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, 1377513 + ... + 1377650.

It is an arithmetic number, because the mean of its divisors is an integer number (33061968).

Almost surely, 2^190106247 is an apocalyptic number.

190106247 is a deficient number, since it is larger than the sum of its proper divisors (74389497).

190106247 is a wasteful number, since it uses less digits than its factorization.

190106247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755189.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 190106247 is about 13787.9021972162. The cubic root of 190106247 is about 574.9968463595.

The spelling of 190106247 in words is "one hundred ninety million, one hundred six thousand, two hundred forty-seven".