1551150 has 60 divisors (see below), whose sum is σ = 4321152. Its totient is φ = 412560.

The previous prime is 1551133. The next prime is 1551157. The reversal of 1551150 is 511551.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1551157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3859 + ... + 4241.

2^1551150 is an apocalyptic number.

1551150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1551150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2160576).

1551150 is an abundant number, since it is smaller than the sum of its proper divisors (2770002).

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

1551150 is a wasteful number, since it uses less digits than its factorization.

1551150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 1551150 is about 1245.4517252788. The cubic root of 1551150 is about 115.7580669133.

The spelling of 1551150 in words is "one million, five hundred fifty-one thousand, one hundred fifty".