1121640463454 has 32 divisors (see below), whose sum is σ = 1985364627456. Its totient is φ = 465073176960.

The previous prime is 1121640463453. The next prime is 1121640463501. The reversal of 1121640463454 is 4543640461211.

It is a super-3 number, since 3×1121640463454³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121640463453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1305479 + ... + 1986845.

It is an arithmetic number, because the mean of its divisors is an integer number (62042644608).

Almost surely, 2^{1121640463454} is an apocalyptic number.

1121640463454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1121640463454 is a deficient number, since it is larger than the sum of its proper divisors (863724164002).

1121640463454 is a wasteful number, since it uses less digits than its factorization.

1121640463454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685200.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 1121640463454 in words is "one trillion, one hundred twenty-one billion, six hundred forty million, four hundred sixty-three thousand, four hundred fifty-four".