1087123734 has 32 divisors (see below), whose sum is σ = 2456784000. Its totient is φ = 356231592.

The previous prime is 1087123693. The next prime is 1087123747. The reversal of 1087123734 is 4373217801.

It is a super-2 number, since 2×1087123734² = 2363676026052205512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167424 + ... + 173795.

It is an arithmetic number, because the mean of its divisors is an integer number (76774500).

Almost surely, 2^1087123734 is an apocalyptic number.

1087123734 is an abundant number, since it is smaller than the sum of its proper divisors (1369660266).

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

1087123734 is a wasteful number, since it uses less digits than its factorization.

1087123734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341289 (or 341283 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1087123734 is about 32971.5594717629. The cubic root of 1087123734 is about 1028.2364436422.

The spelling of 1087123734 in words is "one billion, eighty-seven million, one hundred twenty-three thousand, seven hundred thirty-four".