1920272 has 10 divisors (see below), whose sum is σ = 3720558. Its totient is φ = 960128.

The previous prime is 1920271. The next prime is 1920283. The reversal of 1920272 is 2720291.

It can be written as a sum of positive squares in only one way, i.e., 1893376 + 26896 = 1376^2 + 164^2 .

It is not an unprimeable number, because it can be changed into a prime (1920271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59993 + ... + 60024.

2^1920272 is an apocalyptic number.

It is an amenable number.

1920272 is a deficient number, since it is larger than the sum of its proper divisors (1800286).

1920272 is a wasteful number, since it uses less digits than its factorization.

1920272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120025 (or 120019 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1920272 is about 1385.7387921250. The cubic root of 1920272 is about 124.2951691780.

The spelling of 1920272 in words is "one million, nine hundred twenty thousand, two hundred seventy-two".