1141021464 has 128 divisors (see below), whose sum is σ = 3244769280. Its totient is φ = 331228800.

The previous prime is 1141021451. The next prime is 1141021481. The reversal of 1141021464 is 4641201411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 875037 + ... + 876339.

It is an arithmetic number, because the mean of its divisors is an integer number (25349760).

Almost surely, 2^1141021464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141021464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622384640).

1141021464 is an abundant number, since it is smaller than the sum of its proper divisors (2103747816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141021464 is a wasteful number, since it uses less digits than its factorization.

1141021464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461 (or 1457 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1141021464 is about 33779.0092217045. The cubic root of 1141021464 is about 1044.9558413305.

Adding to 1141021464 its reverse (4641201411), we get a palindrome (5782222875).

The spelling of 1141021464 in words is "one billion, one hundred forty-one million, twenty-one thousand, four hundred sixty-four".