1151020342 has 12 divisors (see below), whose sum is σ = 1822184316. Its totient is φ = 545219820.

The previous prime is 1151020331. The next prime is 1151020363. The reversal of 1151020342 is 2430201511.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 796384 + ... + 797827.

It is an arithmetic number, because the mean of its divisors is an integer number (151848693).

Almost surely, 2^1151020342 is an apocalyptic number.

1151020342 is a deficient number, since it is larger than the sum of its proper divisors (671163974).

1151020342 is a wasteful number, since it uses less digits than its factorization.

1151020342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594251 (or 1594232 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1151020342 is about 33926.6907021596. The cubic root of 1151020342 is about 1047.9993171285. Note that the first 3 decimals are identical.

Adding to 1151020342 its reverse (2430201511), we get a palindrome (3581221853).

The spelling of 1151020342 in words is "one billion, one hundred fifty-one million, twenty thousand, three hundred forty-two".