1055772 has 18 divisors (see below), whose sum is σ = 2668848. Its totient is φ = 351912.

The previous prime is 1055771. The next prime is 1055783. The reversal of 1055772 is 2775501.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1055772² = 2229309031968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055771) 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 5 ways as a sum of consecutive naturals, for example, 14628 + ... + 14699.

2^1055772 is an apocalyptic number.

1055772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1055772 is an abundant number, since it is smaller than the sum of its proper divisors (1613076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055772 is a wasteful number, since it uses less digits than its factorization.

1055772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29337 (or 29332 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 1055772 is about 1027.5076642050. The cubic root of 1055772 is about 101.8255379851.

The spelling of 1055772 in words is "one million, fifty-five thousand, seven hundred seventy-two".