901390071 has 4 divisors (see below), whose sum is σ = 1201853432. Its totient is φ = 600926712.

The previous prime is 901389991. The next prime is 901390097. The reversal of 901390071 is 170093109.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 901390071 - 2¹³ = 901381879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901390471) 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, 150231676 + ... + 150231681.

It is an arithmetic number, because the mean of its divisors is an integer number (300463358).

Almost surely, 2^901390071 is an apocalyptic number.

901390071 is a deficient number, since it is larger than the sum of its proper divisors (300463361).

901390071 is a wasteful number, since it uses less digits than its factorization.

901390071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300463360.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 901390071 is about 30023.1589110806. The cubic root of 901390071 is about 965.9862025386.

The spelling of 901390071 in words is "nine hundred one million, three hundred ninety thousand, seventy-one".