1092850421 has 4 divisors (see below), whose sum is σ = 1176915852. Its totient is φ = 1008784992.

The previous prime is 1092850411. The next prime is 1092850427. The reversal of 1092850421 is 1240582901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1240582901 = 23 ⋅53938387.

It can be written as a sum of positive squares in 2 ways, for example, as 113848900 + 979001521 = 10670^2 + 31289^2 .

It is a cyclic number.

It is not a de Polignac number, because 1092850421 - 2²² = 1088656117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1092850427) 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, 42032696 + ... + 42032721.

It is an arithmetic number, because the mean of its divisors is an integer number (294228963).

Almost surely, 2^1092850421 is an apocalyptic number.

It is an amenable number.

1092850421 is a deficient number, since it is larger than the sum of its proper divisors (84065431).

1092850421 is an equidigital number, since it uses as much as digits as its factorization.

1092850421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84065430.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1092850421 is about 33058.2882345714. The cubic root of 1092850421 is about 1030.0387772500.

The spelling of 1092850421 in words is "one billion, ninety-two million, eight hundred fifty thousand, four hundred twenty-one".