201461172 has 48 divisors (see below), whose sum is σ = 513825984. Its totient is φ = 60928000.

The previous prime is 201461153. The next prime is 201461177. The reversal of 201461172 is 271164102.

It is a super-2 number, since 2×201461172² = 81173207647227168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201461177) 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, 83422 + ... + 85802.

It is an arithmetic number, because the mean of its divisors is an integer number (10704708).

Almost surely, 2^201461172 is an apocalyptic number.

201461172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201461172 is an abundant number, since it is smaller than the sum of its proper divisors (312364812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201461172 is a wasteful number, since it uses less digits than its factorization.

201461172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040 (or 3038 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 201461172 is about 14193.7018427188. The cubic root of 201461172 is about 586.2242576852.

The spelling of 201461172 in words is "two hundred one million, four hundred sixty-one thousand, one hundred seventy-two".