1421120335488 has 128 divisors (see below), whose sum is σ = 4373213377920. Its totient is φ = 400472211456.

The previous prime is 1421120335469. The next prime is 1421120335507. The reversal of 1421120335488 is 8845330211241.

It is an interprime number because it is at equal distance from previous prime (1421120335469) and next prime (1421120335507).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 3424945 + ... + 3817392.

It is an arithmetic number, because the mean of its divisors is an integer number (34165729515).

Almost surely, 2^{1421120335488} is an apocalyptic number.

It is an amenable number.

1421120335488 is an abundant number, since it is smaller than the sum of its proper divisors (2952093042432).

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

1421120335488 is an equidigital number, since it uses as much as digits as its factorization.

1421120335488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7242434 (or 7242422 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 1421120335488 in words is "one trillion, four hundred twenty-one billion, one hundred twenty million, three hundred thirty-five thousand, four hundred eighty-eight".