1081243415 has 32 divisors (see below), whose sum is σ = 1527636480. Its totient is φ = 719155584.

The previous prime is 1081243399. The next prime is 1081243417. The reversal of 1081243415 is 5143421801.

It is not a de Polignac number, because 1081243415 - 2⁴ = 1081243399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081243417) 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, 489704 + ... + 491906.

It is an arithmetic number, because the mean of its divisors is an integer number (47738640).

Almost surely, 2^1081243415 is an apocalyptic number.

1081243415 is a deficient number, since it is larger than the sum of its proper divisors (446393065).

1081243415 is a wasteful number, since it uses less digits than its factorization.

1081243415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1081243415 is about 32882.2659651065. The cubic root of 1081243415 is about 1026.3791595408.

The spelling of 1081243415 in words is "one billion, eighty-one million, two hundred forty-three thousand, four hundred fifteen".