901247 has 2 divisors, whose sum is σ = 901248. Its totient is φ = 901246.

The previous prime is 901213. The next prime is 901249. The reversal of 901247 is 742109.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 901247 - 2⁶ = 901183 is a prime.

Together with 901249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (901249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450623 + 450624.

It is an arithmetic number, because the mean of its divisors is an integer number (450624).

2⁹⁰¹²⁴⁷ is an apocalyptic number.

901247 is a deficient number, since it is larger than the sum of its proper divisors (1).

901247 is an equidigital number, since it uses as much as digits as its factorization.

901247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 901247 is about 949.3402972591. The cubic root of 901247 is about 96.5935091878.

The spelling of 901247 in words is "nine hundred one thousand, two hundred forty-seven".