1074721245 has 32 divisors (see below), whose sum is σ = 1854316800. Its totient is φ = 528382464.

The previous prime is 1074721243. The next prime is 1074721247. The reversal of 1074721245 is 5421274701.

It is an interprime number because it is at equal distance from previous prime (1074721243) and next prime (1074721247).

It is not a de Polignac number, because 1074721245 - 2¹ = 1074721243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1074721243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160321 + ... + 166889.

It is an arithmetic number, because the mean of its divisors is an integer number (57947400).

Almost surely, 2^1074721245 is an apocalyptic number.

1074721245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1074721245 is a deficient number, since it is larger than the sum of its proper divisors (779595555).

1074721245 is a wasteful number, since it uses less digits than its factorization.

1074721245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7429.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 1074721245 is about 32782.9413720002. The cubic root of 1074721245 is about 1024.3112549323.

Adding to 1074721245 its reverse (5421274701), we get a palindrome (6495995946).

The spelling of 1074721245 in words is "one billion, seventy-four million, seven hundred twenty-one thousand, two hundred forty-five".