1147901 has 4 divisors (see below), whose sum is σ = 1151904. Its totient is φ = 1143900.

The previous prime is 1147897. The next prime is 1147903. The reversal of 1147901 is 1097411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1147901 - 2² = 1147897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147903) 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, 1535 + ... + 2156.

It is an arithmetic number, because the mean of its divisors is an integer number (287976).

2^1147901 is an apocalyptic number.

It is an amenable number.

1147901 is a deficient number, since it is larger than the sum of its proper divisors (4003).

1147901 is an equidigital number, since it uses as much as digits as its factorization.

1147901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1147901 is about 1071.4014187036. The cubic root of 1147901 is about 104.7051744570.

It can be divided in two parts, 1147 and 901, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1147901 in words is "one million, one hundred forty-seven thousand, nine hundred one".