1290834056454 has 32 divisors (see below), whose sum is σ = 2589025386240. Its totient is φ = 429053413152.

The previous prime is 1290834056441. The next prime is 1290834056467. The reversal of 1290834056454 is 4546504380921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1290834056441) and next prime (1290834056467).

It is a super-2 number, since 2×1290834056454² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1290834056397 and 1290834056406.

It is a congruent number.

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, 3026152 + ... + 3426260.

It is an arithmetic number, because the mean of its divisors is an integer number (80907043320).

Almost surely, 2^{1290834056454} is an apocalyptic number.

1290834056454 is an abundant number, since it is smaller than the sum of its proper divisors (1298191329786).

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

1290834056454 is a wasteful number, since it uses less digits than its factorization.

1290834056454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401644.

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 1290834056454 in words is "one trillion, two hundred ninety billion, eight hundred thirty-four million, fifty-six thousand, four hundred fifty-four".