1321054 has 16 divisors (see below), whose sum is σ = 2285568. Its totient is φ = 560952.

The previous prime is 1321031. The next prime is 1321063. The reversal of 1321054 is 4501231.

1321054 = T₇₆ + T₇₇ + ... + T₂₀₂.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407 + ... + 2149.

It is an arithmetic number, because the mean of its divisors is an integer number (142848).

2^1321054 is an apocalyptic number.

1321054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1321054 is a deficient number, since it is larger than the sum of its proper divisors (964514).

1321054 is a wasteful number, since it uses less digits than its factorization.

1321054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1321054 is about 1149.3711324024. The cubic root of 1321054 is about 109.7253201805.

Adding to 1321054 its reverse (4501231), we get a palindrome (5822285).

It can be divided in two parts, 132 and 1054, that multiplied together give a triangular number (139128 = T₅₂₇).

The spelling of 1321054 in words is "one million, three hundred twenty-one thousand, fifty-four".