201207742 has 8 divisors (see below), whose sum is σ = 312219000. Its totient is φ = 97134744.

The previous prime is 201207731. The next prime is 201207757. The reversal of 201207742 is 247702102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1734492 + ... + 1734607.

It is an arithmetic number, because the mean of its divisors is an integer number (39027375).

Almost surely, 2^201207742 is an apocalyptic number.

201207742 is a deficient number, since it is larger than the sum of its proper divisors (111011258).

201207742 is a wasteful number, since it uses less digits than its factorization.

201207742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469130.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 201207742 is about 14184.7714821212. The cubic root of 201207742 is about 585.9783390752.

Adding to 201207742 its reverse (247702102), we get a palindrome (448909844).

The spelling of 201207742 in words is "two hundred one million, two hundred seven thousand, seven hundred forty-two".