1902112 has 12 divisors (see below), whose sum is σ = 3744846. Its totient is φ = 951040.

The previous prime is 1902107. The next prime is 1902119. The reversal of 1902112 is 2112091.

It can be written as a sum of positive squares in only one way, i.e., 1860496 + 41616 = 1364^2 + 204^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1902119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29689 + ... + 29752.

2^1902112 is an apocalyptic number.

It is an amenable number.

1902112 is a deficient number, since it is larger than the sum of its proper divisors (1842734).

1902112 is an equidigital number, since it uses as much as digits as its factorization.

1902112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59451 (or 59443 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1902112 is about 1379.1707653514. The cubic root of 1902112 is about 123.9021079630.

The spelling of 1902112 in words is "one million, nine hundred two thousand, one hundred twelve".