1552120431 has 64 divisors (see below), whose sum is σ = 2370600960. Its totient is φ = 898128000.

The previous prime is 1552120411. The next prime is 1552120447. The reversal of 1552120431 is 1340212551.

It is a happy number.

It is not a de Polignac number, because 1552120431 - 2¹¹ = 1552118383 is a prime.

It is a super-2 number, since 2×1552120431² = 4818155664655251522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552120411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7355916 + ... + 7356126.

It is an arithmetic number, because the mean of its divisors is an integer number (37040640).

Almost surely, 2^1552120431 is an apocalyptic number.

1552120431 is a deficient number, since it is larger than the sum of its proper divisors (818480529).

1552120431 is a wasteful number, since it uses less digits than its factorization.

1552120431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1552120431 is about 39396.9596669591. The cubic root of 1552120431 is about 1157.8220208152.

Adding to 1552120431 its reverse (1340212551), we get a palindrome (2892332982).

It can be divided in two parts, 1552120 and 431, that added together give a palindrome (1552551).

The spelling of 1552120431 in words is "one billion, five hundred fifty-two million, one hundred twenty thousand, four hundred thirty-one".