1051955 has 4 divisors (see below), whose sum is σ = 1262352. Its totient is φ = 841560.

The previous prime is 1051949. The next prime is 1051957. The reversal of 1051955 is 5591501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5591501 = 31 ⋅180371.

It is not a de Polignac number, because 1051955 - 2¹² = 1047859 is a prime.

It is a super-2 number, since 2×1051955² = 2213218644050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051957) 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, 105191 + ... + 105200.

It is an arithmetic number, because the mean of its divisors is an integer number (315588).

2^1051955 is an apocalyptic number.

1051955 is a deficient number, since it is larger than the sum of its proper divisors (210397).

1051955 is an equidigital number, since it uses as much as digits as its factorization.

1051955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210396.

The product of its (nonzero) digits is 1125, while the sum is 26.

The square root of 1051955 is about 1025.6485752927. The cubic root of 1051955 is about 101.7026776788.

The spelling of 1051955 in words is "one million, fifty-one thousand, nine hundred fifty-five".