1206055545 has 16 divisors (see below), whose sum is σ = 1966099392. Its totient is φ = 631092800.

The previous prime is 1206055537. The next prime is 1206055553. The reversal of 1206055545 is 5455506021.

It is an interprime number because it is at equal distance from previous prime (1206055537) and next prime (1206055553).

It is not a de Polignac number, because 1206055545 - 2³ = 1206055537 is a prime.

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, 757731 + ... + 759320.

It is an arithmetic number, because the mean of its divisors is an integer number (122881212).

Almost surely, 2^1206055545 is an apocalyptic number.

1206055545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1206055545 is a deficient number, since it is larger than the sum of its proper divisors (760043847).

1206055545 is a wasteful number, since it uses less digits than its factorization.

1206055545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517112.

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

The square root of 1206055545 is about 34728.3104253576. The cubic root of 1206055545 is about 1064.4430643997.

The spelling of 1206055545 in words is "one billion, two hundred six million, fifty-five thousand, five hundred forty-five".