1002154234124 has 12 divisors (see below), whose sum is σ = 1814244734400. Its totient is φ = 483798595728.

The previous prime is 1002154234121. The next prime is 1002154234217. The reversal of 1002154234124 is 4214324512001.

It is a happy number.

It is a super-2 number, since 2×1002154234124² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1002154234121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4319630204 + ... + 4319630435.

It is an arithmetic number, because the mean of its divisors is an integer number (151187061200).

Almost surely, 2^{1002154234124} is an apocalyptic number.

It is an amenable number.

1002154234124 is a deficient number, since it is larger than the sum of its proper divisors (812090500276).

1002154234124 is a wasteful number, since it uses less digits than its factorization.

1002154234124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8639260672 (or 8639260670 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 1002154234124 its reverse (4214324512001), we get a palindrome (5216478746125).

The spelling of 1002154234124 in words is "one trillion, two billion, one hundred fifty-four million, two hundred thirty-four thousand, one hundred twenty-four".