1142421354 has 32 divisors (see below), whose sum is σ = 2557261440. Its totient is φ = 378025056.

The previous prime is 1142421353. The next prime is 1142421391. The reversal of 1142421354 is 4531242411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1142421353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69814 + ... + 84609.

It is an arithmetic number, because the mean of its divisors is an integer number (79914420).

Almost surely, 2^1142421354 is an apocalyptic number.

1142421354 is an abundant number, since it is smaller than the sum of its proper divisors (1414840086).

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

1142421354 is a wasteful number, since it uses less digits than its factorization.

1142421354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154571 (or 154565 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1142421354 is about 33799.7241704722. The cubic root of 1142421354 is about 1045.3830098670.

Adding to 1142421354 its reverse (4531242411), we get a palindrome (5673663765).

The spelling of 1142421354 in words is "one billion, one hundred forty-two million, four hundred twenty-one thousand, three hundred fifty-four".