1081449374 has 16 divisors (see below), whose sum is σ = 1733991840. Its totient is φ = 504599040.

The previous prime is 1081449371. The next prime is 1081449377. The reversal of 1081449374 is 4739441801.

It is an interprime number because it is at equal distance from previous prime (1081449371) and next prime (1081449377).

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081449371) 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, 284819 + ... + 288590.

It is an arithmetic number, because the mean of its divisors is an integer number (108374490).

Almost surely, 2^1081449374 is an apocalyptic number.

1081449374 is a deficient number, since it is larger than the sum of its proper divisors (652542466).

1081449374 is a wasteful number, since it uses less digits than its factorization.

1081449374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573475.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1081449374 is about 32885.3975800810. The cubic root of 1081449374 is about 1026.4443248253. Note that the first 3 decimals are identical.

The spelling of 1081449374 in words is "one billion, eighty-one million, four hundred forty-nine thousand, three hundred seventy-four".