1145122 has 8 divisors (see below), whose sum is σ = 1873872. Its totient is φ = 520500.

The previous prime is 1145107. The next prime is 1145129. The reversal of 1145122 is 2215411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1145122² = 2622608789768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145096 and 1145105.

It is not an unprimeable number, because it can be changed into a prime (1145129) 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, 26004 + ... + 26047.

It is an arithmetic number, because the mean of its divisors is an integer number (234234).

2^1145122 is an apocalyptic number.

1145122 is a deficient number, since it is larger than the sum of its proper divisors (728750).

1145122 is a wasteful number, since it uses less digits than its factorization.

1145122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52064.

The product of its digits is 80, while the sum is 16.

The square root of 1145122 is about 1070.1037332894. The cubic root of 1145122 is about 104.6206111809.

The spelling of 1145122 in words is "one million, one hundred forty-five thousand, one hundred twenty-two".