1122628551 has 16 divisors (see below), whose sum is σ = 1703911680. Its totient is φ = 650798720.

The previous prime is 1122628469. The next prime is 1122628561. The reversal of 1122628551 is 1558262211.

It is not a de Polignac number, because 1122628551 - 2¹⁴ = 1122612167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122628561) 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, 738786 + ... + 740303.

It is an arithmetic number, because the mean of its divisors is an integer number (106494480).

Almost surely, 2^1122628551 is an apocalyptic number.

1122628551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122628551 is a deficient number, since it is larger than the sum of its proper divisors (581283129).

1122628551 is a wasteful number, since it uses less digits than its factorization.

1122628551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479126.

The product of its digits is 9600, while the sum is 33.

The square root of 1122628551 is about 33505.6495385480. The cubic root of 1122628551 is about 1039.3106103681.

The spelling of 1122628551 in words is "one billion, one hundred twenty-two million, six hundred twenty-eight thousand, five hundred fifty-one".