1154334021402 has 8 divisors (see below), whose sum is σ = 2308668042816. Its totient is φ = 384778007132.

The previous prime is 1154334021359. The next prime is 1154334021419. The reversal of 1154334021402 is 2041204334511.

It is a sphenic number, since it is the product of 3 distinct primes.

1154334021402 is an admirable number.

It is a super-2 number, since 2×1154334021402² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1154334021402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96194501778 + ... + 96194501789.

It is an arithmetic number, because the mean of its divisors is an integer number (288583505352).

Almost surely, 2^{1154334021402} is an apocalyptic number.

1154334021402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1154334021402 is a wasteful number, since it uses less digits than its factorization.

1154334021402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192389003572.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1154334021402 its reverse (2041204334511), we get a palindrome (3195538355913).

The spelling of 1154334021402 in words is "one trillion, one hundred fifty-four billion, three hundred thirty-four million, twenty-one thousand, four hundred two".