191207150 has 48 divisors (see below), whose sum is σ = 370623600. Its totient is φ = 73301760.

The previous prime is 191207131. The next prime is 191207153. The reversal of 191207150 is 51702191.

It is a super-2 number, since 2×191207150² = 73120348422245000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191207153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235946 + ... + 236754.

It is an arithmetic number, because the mean of its divisors is an integer number (7721325).

Almost surely, 2^191207150 is an apocalyptic number.

191207150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

191207150 is a deficient number, since it is larger than the sum of its proper divisors (179416450).

191207150 is a wasteful number, since it uses less digits than its factorization.

191207150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 191207150 is about 13827.7673541320. The cubic root of 191207150 is about 576.1046439733.

The spelling of 191207150 in words is "one hundred ninety-one million, two hundred seven thousand, one hundred fifty".