1123151 has 2 divisors, whose sum is σ = 1123152. Its totient is φ = 1123150.

The previous prime is 1123127. The next prime is 1123181. The reversal of 1123151 is 1513211.

It is a m-pointer prime, because the next prime (1123181) can be obtained adding 1123151 to its product of digits (30).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123151 - 2¹⁴ = 1106767 is a prime.

It is a super-2 number, since 2×1123151² = 2522936337602, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561575 + 561576.

It is an arithmetic number, because the mean of its divisors is an integer number (561576).

2^1123151 is an apocalyptic number.

1123151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123151 is an equidigital number, since it uses as much as digits as its factorization.

1123151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30, while the sum is 14.

The square root of 1123151 is about 1059.7881863844. The cubic root of 1123151 is about 103.9471810193.

Adding to 1123151 its reverse (1513211), we get a palindrome (2636362).

The spelling of 1123151 in words is "one million, one hundred twenty-three thousand, one hundred fifty-one".