1205056554 has 16 divisors (see below), whose sum is σ = 2595506592. Its totient is φ = 370786608.

The previous prime is 1205056493. The next prime is 1205056603. The reversal of 1205056554 is 4556505021.

1205056554 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1205056554² = 2904322596676709832, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7724644 + ... + 7724799.

It is an arithmetic number, because the mean of its divisors is an integer number (162219162).

Almost surely, 2^1205056554 is an apocalyptic number.

1205056554 is an abundant number, since it is smaller than the sum of its proper divisors (1390450038).

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

1205056554 is a wasteful number, since it uses less digits than its factorization.

1205056554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15449461.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1205056554 is about 34713.9244972389. The cubic root of 1205056554 is about 1064.1490860166.

The spelling of 1205056554 in words is "one billion, two hundred five million, fifty-six thousand, five hundred fifty-four".