1051455 has 16 divisors (see below), whose sum is σ = 1695744. Its totient is φ = 556320.

The previous prime is 1051423. The next prime is 1051459. The reversal of 1051455 is 5541501.

It is not a de Polignac number, because 1051455 - 2⁵ = 1051423 is a prime.

It is a super-2 number, since 2×1051455² = 2211115234050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2682 + ... + 3048.

It is an arithmetic number, because the mean of its divisors is an integer number (105984).

2^1051455 is an apocalyptic number.

1051455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1051455 is a deficient number, since it is larger than the sum of its proper divisors (644289).

1051455 is a wasteful number, since it uses less digits than its factorization.

1051455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1051455 is about 1025.4047981163. The cubic root of 1051455 is about 101.6865618445.

Adding to 1051455 its reverse (5541501), we get a palindrome (6592956).

The spelling of 1051455 in words is "one million, fifty-one thousand, four hundred fifty-five".