1141021045 has 16 divisors (see below), whose sum is σ = 1457148528. Its totient is φ = 854748160.

The previous prime is 1141021019. The next prime is 1141021051. The reversal of 1141021045 is 5401201411.

It can be written as a sum of positive squares in 8 ways, for example, as 1418481 + 1139602564 = 1191^2 + 33758^2 .

It is not a de Polignac number, because 1141021045 - 2⁷ = 1141020917 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 17326 + ... + 50815.

It is an arithmetic number, because the mean of its divisors is an integer number (91071783).

Almost surely, 2^1141021045 is an apocalyptic number.

It is an amenable number.

1141021045 is a deficient number, since it is larger than the sum of its proper divisors (316127483).

1141021045 is a wasteful number, since it uses less digits than its factorization.

1141021045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68360.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1141021045 is about 33779.0030196274. The cubic root of 1141021045 is about 1044.9557134227.

Adding to 1141021045 its reverse (5401201411), we get a palindrome (6542222456).

The spelling of 1141021045 in words is "one billion, one hundred forty-one million, twenty-one thousand, forty-five".