1121655534 has 32 divisors (see below), whose sum is σ = 2277590400. Its totient is φ = 368213472.

The previous prime is 1121655499. The next prime is 1121655553. The reversal of 1121655534 is 4355561211.

It is a super-2 number, since 2×1121655534² = 2516222273905650312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121655495 and 1121655504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106017 + ... + 116115.

It is an arithmetic number, because the mean of its divisors is an integer number (71174700).

Almost surely, 2^1121655534 is an apocalyptic number.

1121655534 is an abundant number, since it is smaller than the sum of its proper divisors (1155934866).

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

1121655534 is a wasteful number, since it uses less digits than its factorization.

1121655534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10384.

The product of its digits is 18000, while the sum is 33.

The square root of 1121655534 is about 33491.1261978453. The cubic root of 1121655534 is about 1039.0102559907.

The spelling of 1121655534 in words is "one billion, one hundred twenty-one million, six hundred fifty-five thousand, five hundred thirty-four".