1551003132 has 48 divisors (see below), whose sum is σ = 4140460800. Its totient is φ = 442666752.

The previous prime is 1551003127. The next prime is 1551003161. The reversal of 1551003132 is 2313001551.

It is a super-2 number, since 2×1551003132² = 4811221430947618848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1551003099 and 1551003108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72619 + ... + 91517.

It is an arithmetic number, because the mean of its divisors is an integer number (86259600).

Almost surely, 2^1551003132 is an apocalyptic number.

1551003132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1551003132 is an abundant number, since it is smaller than the sum of its proper divisors (2589457668).

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

1551003132 is a wasteful number, since it uses less digits than its factorization.

1551003132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19890 (or 19888 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1551003132 is about 39382.7770986252. Note that the first 3 decimals coincide. The cubic root of 1551003132 is about 1157.5441334612.

Adding to 1551003132 its reverse (2313001551), we get a palindrome (3864004683).

The spelling of 1551003132 in words is "one billion, five hundred fifty-one million, three thousand, one hundred thirty-two".