1140421302 has 32 divisors (see below), whose sum is σ = 2683346400. Its totient is φ = 357778944.

The previous prime is 1140421283. The next prime is 1140421333. The reversal of 1140421302 is 2031240411.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 620227 + ... + 622062.

It is an arithmetic number, because the mean of its divisors is an integer number (83854575).

Almost surely, 2^1140421302 is an apocalyptic number.

1140421302 is an abundant number, since it is smaller than the sum of its proper divisors (1542925098).

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

1140421302 is a wasteful number, since it uses less digits than its factorization.

1140421302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242317 (or 1242311 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1140421302 is about 33770.1244001262. The cubic root of 1140421302 is about 1044.7725982757.

Adding to 1140421302 its reverse (2031240411), we get a palindrome (3171661713).

The spelling of 1140421302 in words is "one billion, one hundred forty million, four hundred twenty-one thousand, three hundred two".