1361021024 has 96 divisors (see below), whose sum is σ = 3099866112. Its totient is φ = 582336000.

The previous prime is 1361021023. The next prime is 1361021029. The reversal of 1361021024 is 4201201631.

It is a junction number, because it is equal to n+sod(n) for n = 1361020987 and 1361021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361021023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402059 + ... + 405429.

It is an arithmetic number, because the mean of its divisors is an integer number (32290272).

Almost surely, 2^1361021024 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 1361021024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549933056).

1361021024 is an abundant number, since it is smaller than the sum of its proper divisors (1738845088).

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

1361021024 is a wasteful number, since it uses less digits than its factorization.

1361021024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1361021024 is about 36892.0184321758. The cubic root of 1361021024 is about 1108.2088429769.

Adding to 1361021024 its reverse (4201201631), we get a palindrome (5562222655).

The spelling of 1361021024 in words is "one billion, three hundred sixty-one million, twenty-one thousand, twenty-four".