1141957 has 4 divisors (see below), whose sum is σ = 1202080. Its totient is φ = 1081836.

The previous prime is 1141949. The next prime is 1141963. The reversal of 1141957 is 7591411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1141957 - 2³ = 1141949 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30033 + ... + 30070.

It is an arithmetic number, because the mean of its divisors is an integer number (300520).

2^1141957 is an apocalyptic number.

It is an amenable number.

1141957 is a deficient number, since it is larger than the sum of its proper divisors (60123).

1141957 is an equidigital number, since it uses as much as digits as its factorization.

1141957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60122.

The product of its digits is 1260, while the sum is 28.

The square root of 1141957 is about 1068.6238814475. The cubic root of 1141957 is about 104.5241353561.

It can be divided in two parts, 11419 and 57, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 1141957 in words is "one million, one hundred forty-one thousand, nine hundred fifty-seven".