1061955 has 12 divisors (see below), whose sum is σ = 1840800. Its totient is φ = 566352.

The previous prime is 1061917. The next prime is 1061959. The reversal of 1061955 is 5591601.

It is not a de Polignac number, because 1061955 - 2⁸ = 1061699 is a prime.

It is a super-2 number, since 2×1061955² = 2255496844050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11755 + ... + 11844.

It is an arithmetic number, because the mean of its divisors is an integer number (153400).

2^1061955 is an apocalyptic number.

1061955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1061955 is a deficient number, since it is larger than the sum of its proper divisors (778845).

1061955 is a wasteful number, since it uses less digits than its factorization.

1061955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23610 (or 23607 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 1061955 is about 1030.5120086637. The cubic root of 1061955 is about 102.0239274892.

It can be divided in two parts, 1061 and 955, that added together give a triangular number (2016 = T₆₃).

The spelling of 1061955 in words is "one million, sixty-one thousand, nine hundred fifty-five".