1552402120 has 32 divisors (see below), whose sum is σ = 3534995520. Its totient is φ = 613478080.

The previous prime is 1552402051. The next prime is 1552402133. The reversal of 1552402120 is 212042551.

It is a junction number, because it is equal to n+sod(n) for n = 1552402091 and 1552402100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230476 + ... + 237115.

It is an arithmetic number, because the mean of its divisors is an integer number (110468610).

Almost surely, 2^1552402120 is an apocalyptic number.

1552402120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552402120 is an abundant number, since it is smaller than the sum of its proper divisors (1982593400).

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

1552402120 is a wasteful number, since it uses less digits than its factorization.

1552402120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467685 (or 467681 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1552402120 is about 39400.5345141408. The cubic root of 1552402120 is about 1157.8920596241.

Adding to 1552402120 its reverse (212042551), we get a palindrome (1764444671).

The spelling of 1552402120 in words is "one billion, five hundred fifty-two million, four hundred two thousand, one hundred twenty".