1079421245 has 18 divisors (see below), whose sum is σ = 1507502142. Its totient is φ = 739821936.

The previous prime is 1079421221. The next prime is 1079421251. The reversal of 1079421245 is 5421249701.

It can be written as a sum of positive squares in only one way, i.e., 863536996 + 215884249 = 29386^2 + 14693^2 .

It is not a de Polignac number, because 1079421245 - 2¹⁴ = 1079404861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 513206 + ... + 515304.

It is an arithmetic number, because the mean of its divisors is an integer number (83750119).

Almost surely, 2^1079421245 is an apocalyptic number.

It is an amenable number.

1079421245 is a deficient number, since it is larger than the sum of its proper divisors (428080897).

1079421245 is an frugal number, since it uses more digits than its factorization.

1079421245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217 (or 2111 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1079421245 is about 32854.5467934044. The cubic root of 1079421245 is about 1025.8022654204.

The spelling of 1079421245 in words is "one billion, seventy-nine million, four hundred twenty-one thousand, two hundred forty-five".