1141655 has 4 divisors (see below), whose sum is σ = 1369992. Its totient is φ = 913320.

The previous prime is 1141649. The next prime is 1141661. The reversal of 1141655 is 5561411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5561411 = 157 ⋅35423.

It is an interprime number because it is at equal distance from previous prime (1141649) and next prime (1141661).

It is a de Polignac number, because none of the positive numbers 2^k-1141655 is a prime.

It is a super-2 number, since 2×1141655² = 2606752278050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114161 + ... + 114170.

It is an arithmetic number, because the mean of its divisors is an integer number (342498).

2^1141655 is an apocalyptic number.

1141655 is a deficient number, since it is larger than the sum of its proper divisors (228337).

1141655 is an equidigital number, since it uses as much as digits as its factorization.

1141655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228336.

The product of its digits is 600, while the sum is 23.

The square root of 1141655 is about 1068.4825688798. The cubic root of 1141655 is about 104.5149204522.

The spelling of 1141655 in words is "one million, one hundred forty-one thousand, six hundred fifty-five".