201242774 has 8 divisors (see below), whose sum is σ = 312273360. Its totient is φ = 97151656.

The previous prime is 201242771. The next prime is 201242791. The reversal of 201242774 is 477242102.

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201242771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1734794 + ... + 1734909.

It is an arithmetic number, because the mean of its divisors is an integer number (39034170).

Almost surely, 2^201242774 is an apocalyptic number.

201242774 is a deficient number, since it is larger than the sum of its proper divisors (111030586).

201242774 is a wasteful number, since it uses less digits than its factorization.

201242774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469734.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 201242774 is about 14186.0062737897. The cubic root of 201242774 is about 586.0123450594.

Adding to 201242774 its reverse (477242102), we get a palindrome (678484876).

The spelling of 201242774 in words is "two hundred one million, two hundred forty-two thousand, seven hundred seventy-four".