1247101 has 2 divisors, whose sum is σ = 1247102. Its totient is φ = 1247100.

The previous prime is 1247089. The next prime is 1247107. The reversal of 1247101 is 1017421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 648025 + 599076 = 805^2 + 774^2 .

It is a cyclic number.

It is not a de Polignac number, because 1247101 - 2⁹ = 1246589 is a prime.

It is a super-4 number, since 4×1247101⁴ (a number of 25 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1247107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623550 + 623551.

It is an arithmetic number, because the mean of its divisors is an integer number (623551).

2^1247101 is an apocalyptic number.

It is an amenable number.

1247101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1247101 is an equidigital number, since it uses as much as digits as its factorization.

1247101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1247101 is about 1116.7367639690. The cubic root of 1247101 is about 107.6383939583.

It can be divided in two parts, 124 and 7101, that added together give a square (7225 = 85²).

The spelling of 1247101 in words is "one million, two hundred forty-seven thousand, one hundred one".