1127972 has 6 divisors (see below), whose sum is σ = 1973958. Its totient is φ = 563984.

The previous prime is 1127969. The next prime is 1127981. The reversal of 1127972 is 2797211.

It can be written as a sum of positive squares in only one way, i.e., 1094116 + 33856 = 1046^2 + 184^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140993 + ... + 141000.

It is an arithmetic number, because the mean of its divisors is an integer number (328993).

2^1127972 is an apocalyptic number.

It is an amenable number.

1127972 is a deficient number, since it is larger than the sum of its proper divisors (845986).

1127972 is a wasteful number, since it uses less digits than its factorization.

1127972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281997 (or 281995 counting only the distinct ones).

The product of its digits is 1764, while the sum is 29.

The square root of 1127972 is about 1062.0602619437. The cubic root of 1127972 is about 104.0956959417.

The spelling of 1127972 in words is "one million, one hundred twenty-seven thousand, nine hundred seventy-two".