1090015245 has 32 divisors (see below), whose sum is σ = 2113971840. Its totient is φ = 528491520.

The previous prime is 1090015243. The next prime is 1090015247. The reversal of 1090015245 is 5425100901.

It is an interprime number because it is at equal distance from previous prime (1090015243) and next prime (1090015247).

It is not a de Polignac number, because 1090015245 - 2¹ = 1090015243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090015243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365524 + ... + 368493.

It is an arithmetic number, because the mean of its divisors is an integer number (66061620).

Almost surely, 2^1090015245 is an apocalyptic number.

1090015245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1090015245 is a deficient number, since it is larger than the sum of its proper divisors (1023956595).

1090015245 is a wasteful number, since it uses less digits than its factorization.

1090015245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734042 (or 734036 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1090015245 is about 33015.3789164989. The cubic root of 1090015245 is about 1029.1472644931.

The spelling of 1090015245 in words is "one billion, ninety million, fifteen thousand, two hundred forty-five".