201055407 has 8 divisors (see below), whose sum is σ = 306370176. Its totient is φ = 114888792.

The previous prime is 201055399. The next prime is 201055411. The reversal of 201055407 is 704550102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201055407 - 2³ = 201055399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201055427) 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, 4787013 + ... + 4787054.

It is an arithmetic number, because the mean of its divisors is an integer number (38296272).

Almost surely, 2^201055407 is an apocalyptic number.

201055407 is a deficient number, since it is larger than the sum of its proper divisors (105314769).

201055407 is an equidigital number, since it uses as much as digits as its factorization.

201055407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9574077.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 201055407 is about 14179.4007983412. The cubic root of 201055407 is about 585.8304197382.

The spelling of 201055407 in words is "two hundred one million, fifty-five thousand, four hundred seven".