1071955 has 4 divisors (see below), whose sum is σ = 1286352. Its totient is φ = 857560.

The previous prime is 1071943. The next prime is 1071977. The reversal of 1071955 is 5591701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5591701 = 199 ⋅28099.

It is not a de Polignac number, because 1071955 - 2⁹ = 1071443 is a prime.

It is a super-2 number, since 2×1071955² = 2298175044050, which contains 22 as substring.

It is a Duffinian 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, 107191 + ... + 107200.

It is an arithmetic number, because the mean of its divisors is an integer number (321588).

2^1071955 is an apocalyptic number.

1071955 is a deficient number, since it is larger than the sum of its proper divisors (214397).

1071955 is an equidigital number, since it uses as much as digits as its factorization.

1071955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214396.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 1071955 is about 1035.3525969446. The cubic root of 1071955 is about 102.3431668576.

The spelling of 1071955 in words is "one million, seventy-one thousand, nine hundred fifty-five".