1085421403 has 8 divisors (see below), whose sum is σ = 1184904000. Its totient is φ = 986073480.

The previous prime is 1085421361. The next prime is 1085421409. The reversal of 1085421403 is 3041245801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1085421403 - 2⁹ = 1085420891 is a prime.

It is a super-3 number, since 3×1085421403³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085421409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16425 + ... + 49402.

It is an arithmetic number, because the mean of its divisors is an integer number (148113000).

Almost surely, 2^1085421403 is an apocalyptic number.

1085421403 is a deficient number, since it is larger than the sum of its proper divisors (99482597).

1085421403 is a wasteful number, since it uses less digits than its factorization.

1085421403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67337.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1085421403 is about 32945.7342155248. The cubic root of 1085421403 is about 1027.6994568620.

The spelling of 1085421403 in words is "one billion, eighty-five million, four hundred twenty-one thousand, four hundred three".