1122148 has 6 divisors (see below), whose sum is σ = 1963766. Its totient is φ = 561072.

The previous prime is 1122139. The next prime is 1122157. The reversal of 1122148 is 8412211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1122139) and next prime (1122157).

It can be written as a sum of positive squares in only one way, i.e., 702244 + 419904 = 838^2 + 648^2 .

It is a super-2 number, since 2×1122148² = 2518432267808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140265 + ... + 140272.

2^1122148 is an apocalyptic number.

It is an amenable number.

1122148 is a deficient number, since it is larger than the sum of its proper divisors (841618).

1122148 is a wasteful number, since it uses less digits than its factorization.

1122148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280541 (or 280539 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 1122148 is about 1059.3148729249. The cubic root of 1122148 is about 103.9162293862.

Adding to 1122148 its reverse (8412211), we get a palindrome (9534359).

The spelling of 1122148 in words is "one million, one hundred twenty-two thousand, one hundred forty-eight".