1141977 has 8 divisors (see below), whose sum is σ = 1528416. Its totient is φ = 758432.

The previous prime is 1141969. The next prime is 1141999. The reversal of 1141977 is 7791411.

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

It is a cyclic number.

It is not a de Polignac number, because 1141977 - 2³ = 1141969 is a prime.

It is a super-2 number, since 2×1141977² = 2608222937058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1141967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493 + ... + 1589.

It is an arithmetic number, because the mean of its divisors is an integer number (191052).

2^1141977 is an apocalyptic number.

It is an amenable number.

1141977 is a deficient number, since it is larger than the sum of its proper divisors (386439).

1141977 is a wasteful number, since it uses less digits than its factorization.

1141977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447.

The product of its digits is 1764, while the sum is 30.

The square root of 1141977 is about 1068.6332392360. The cubic root of 1141977 is about 104.5247455573.

The spelling of 1141977 in words is "one million, one hundred forty-one thousand, nine hundred seventy-seven".