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1122142 = 2780153
BaseRepresentation
bin100010001111101011110
32010000021211
410101331132
5241402032
640015034
712352360
oct4217536
92100254
101122142
116a709a
1246147a
133039b8
14212d30
15172747
hex111f5e

1122142 has 8 divisors (see below), whose sum is σ = 1923696. Its totient is φ = 480912.

The previous prime is 1122139. The next prime is 1122157. The reversal of 1122142 is 2412211.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40063 + ... + 40090.

It is an arithmetic number, because the mean of its divisors is an integer number (240462).

21122142 is an apocalyptic number.

1122142 is a deficient number, since it is larger than the sum of its proper divisors (801554).

1122142 is an equidigital number, since it uses as much as digits as its factorization.

1122142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80162.

The product of its digits is 32, while the sum is 13.

The square root of 1122142 is about 1059.3120409020. The cubic root of 1122142 is about 103.9160441764.

Adding to 1122142 its reverse (2412211), we get a palindrome (3534353).

The spelling of 1122142 in words is "one million, one hundred twenty-two thousand, one hundred forty-two".

Divisors: 1 2 7 14 80153 160306 561071 1122142